#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

long long totalMoves;
long long sumMoves;
void Moves(long long stickLen)
{
	long long minDivider = 2;
	long long localMoves = 0;
	while (minDivider <= stickLen/minDivider)
	{
		if (stickLen % minDivider == 0)
		{
			localMoves = stickLen / minDivider;
			sumMoves += localMoves;
			stickLen = localMoves;
			minDivider = 2;
			continue;
		}
		minDivider++;
	}
}

void CalcMoves(long long stickLen)
{
	if (stickLen == 1)
		totalMoves += 1;
	else
	{
		sumMoves = 0;
		Moves(stickLen);
		totalMoves += sumMoves + stickLen + 1;
	}
}

int main() {  
    int n;
    cin >> n;
  
    vector <long long> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }
  
    for_each(a.begin(), a.end(), CalcMoves);
	cout << totalMoves << endl;  
 
    return 0;
}