Q: What is the sum of all factors of the number 215,127,300 excluding 215,127,300?

A: 407,308,556

Why is 407,308,556 the sum of all factors of 215,127,300, excluding 215,127,300?

The factors of the number 215,127,300 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 717091, 1434182, 2151273, 2868364, 3585455, 4302546, 7170910, 8605092, 10756365, 14341820, 17927275, 21512730, 35854550, 43025460, 53781825, 71709100, 107563650, 215127300.

If you add them up, you will get the total of 215,127,707. Now subtract 215,127,300 to get 407,308,556