Q: What is the sum of all factors of the number 331,201,240 excluding 331,201,240?

A: 428,066,840

Why is 428,066,840 the sum of all factors of 331,201,240, excluding 331,201,240?

The factors of the number 331,201,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 156227, 312454, 624908, 781135, 1249816, 1562270, 3124540, 6249080, 8280031, 16560062, 33120124, 41400155, 66240248, 82800310, 165600620, 331201240.

If you add them up, you will get the total of 331,201,668. Now subtract 331,201,240 to get 428,066,840