Q: What is the sum of all factors of the number 231,321,010 excluding 231,321,010?

A: 209,966,990

Why is 209,966,990 the sum of all factors of 231,321,010, excluding 231,321,010?

The factors of the number 231,321,010 are: 1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1490, 2831, 5662, 8171, 14155, 16342, 28310, 40855, 81710, 155249, 310498, 776245, 1217479, 1552490, 2434958, 6087395, 12174790, 23132101, 46264202, 115660505, 231321010.

If you add them up, you will get the total of 231,321,219. Now subtract 231,321,010 to get 209,966,990