hay plz help me out My code is always timed out what should i do i am using c++ and i have removed all function call please and wrote a whole code inside main block suggest me what should i do

I'm not sure I understand this problem.

Could someone attempt to reword how the input and output actually work?

Trying to figure out how test case 10 has an output of 51 when the factors are 2 and 5.

my program takes too much time to work on 10^7 numbers :(