Q: What is the sum of all factors of the number 400,503,200 excluding 400,503,200?

A: 577,227,190

Why is 577,227,190 the sum of all factors of 400,503,200, excluding 400,503,200?

The factors of the number 400,503,200 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 500629, 1001258, 2002516, 2503145, 4005032, 5006290, 8010064, 10012580, 12515725, 16020128, 20025160, 25031450, 40050320, 50062900, 80100640, 100125800, 200251600, 400503200.

If you add them up, you will get the total of 400,503,777. Now subtract 400,503,200 to get 577,227,190