Q: What is the sum of all factors of the number 315,405,430 excluding 315,405,430?

A: 273,766,538

Why is 273,766,538 the sum of all factors of 315,405,430, excluding 315,405,430?

The factors of the number 315,405,430 are: 1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 710, 3053, 6106, 10331, 15265, 20662, 30530, 51655, 103310, 444233, 733501, 888466, 1467002, 2221165, 3667505, 4442330, 7335010, 31540543, 63081086, 157702715, 315405430.

If you add them up, you will get the total of 315,405,703. Now subtract 315,405,430 to get 273,766,538