Q: What is the sum of all factors of the number 428,880 excluding 428,880?

A: 901,392

Why is 901,392 the sum of all factors of 428,880, excluding 428,880?

The factors of the number 428,880 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1787, 3574, 5361, 7148, 8935, 10722, 14296, 17870, 21444, 26805, 28592, 35740, 42888, 53610, 71480, 85776, 107220, 142960, 214440, 428880.

If you add them up, you will get the total of 429,781. Now subtract 428,880 to get 901,392