Q: What is the sum of all factors of the number 311,232,220 excluding 311,232,220?

A: 395,694,308

Why is 395,694,308 the sum of all factors of 311,232,220, excluding 311,232,220?

The factors of the number 311,232,220 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 241, 260, 482, 964, 1205, 2410, 3133, 4820, 4967, 6266, 9934, 12532, 15665, 19868, 24835, 31330, 49670, 62660, 64571, 99340, 129142, 258284, 322855, 645710, 1197047, 1291420, 2394094, 4788188, 5985235, 11970470, 15561611, 23940940, 31123222, 62246444, 77808055, 155616110, 311232220.

If you add them up, you will get the total of 311,232,615. Now subtract 311,232,220 to get 395,694,308