Q: What is the sum of all factors of the number 660,226,220 excluding 660,226,220?

A: 772,458,292

Why is 772,458,292 the sum of all factors of 660,226,220, excluding 660,226,220?

The factors of the number 660,226,220 are: 1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 19220, 34351, 68702, 137404, 171755, 343510, 687020, 1064881, 2129762, 4259524, 5324405, 10648810, 21297620, 33011311, 66022622, 132045244, 165056555, 330113110, 660226220.

If you add them up, you will get the total of 660,226,992. Now subtract 660,226,220 to get 772,458,292