Q: What is the sum of all factors of the number 305,605,430 excluding 305,605,430?

A: 321,650,794

Why is 321,650,794 the sum of all factors of 305,605,430, excluding 305,605,430?

The factors of the number 305,605,430 are: 1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 138283, 276566, 691415, 1382830, 1797679, 2350811, 3595358, 4701622, 8988395, 11754055, 17976790, 23508110, 30560543, 61121086, 152802715, 305605430.

If you add them up, you will get the total of 305,605,751. Now subtract 305,605,430 to get 321,650,794