#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
int moves(int n);int movesleft(int n);
int longestSequence(int n, long int* a) 
{
    int i;
    int s=0;
    for(i=0;i<n;i++)
    {
        s=s+moves(a[i]);
    }
    return s;
}

int main() {
    int n; 
    scanf("%i", &n);
    long int *a = (long int*)malloc(sizeof(long int) * n);
    for (int a_i = 0; a_i < n; a_i++) {
       scanf("%li",&a[a_i]);
    }
    long int result = longestSequence(n, a);
    printf("%ld\n", result);
    return 0;
}
int moves(int n)
{
	int n1=n;
	int gd,m=1;
    while(n!=1)
    {
    	gd=1;
        for(int i=1;i<n;i++)
        {
            if(n%i==0)
            {  
                gd=i;
            }
        }
        m=m+(n/gd)*(n1/n);
        n=gd;
    }
    return m;
}