Q: What is the sum of all factors of the number 210,402,105 excluding 210,402,105?

A: 156,193,095

Why is 156,193,095 the sum of all factors of 210,402,105, excluding 210,402,105?

The factors of the number 210,402,105 are: 1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 25457, 76371, 127285, 381855, 483683, 738253, 1451049, 2214759, 2418415, 3691265, 7255245, 11073795, 14026807, 42080421, 70134035, 210402105.

If you add them up, you will get the total of 210,402,261. Now subtract 210,402,105 to get 156,193,095