Q: What is the sum of all factors of the number 100,879,125 excluding 100,879,125?

A: 67,670,763

Why is 67,670,763 the sum of all factors of 100,879,125, excluding 100,879,125?

The factors of the number 100,879,125 are: 1, 3, 5, 15, 25, 75, 125, 367, 375, 733, 1101, 1835, 2199, 3665, 5505, 9175, 10995, 18325, 27525, 45875, 54975, 91625, 137625, 269011, 274875, 807033, 1345055, 4035165, 6725275, 20175825, 33626375, 100879125.

If you add them up, you will get the total of 100,879,192. Now subtract 100,879,125 to get 67,670,763