Q: What is the sum of all factors of the number 220,440 excluding 220,440?

A: 505,320

Why is 505,320 the sum of all factors of 220,440, excluding 220,440?

The factors of the number 220,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 167, 220, 264, 330, 334, 440, 501, 660, 668, 835, 1002, 1320, 1336, 1670, 1837, 2004, 2505, 3340, 3674, 4008, 5010, 5511, 6680, 7348, 9185, 10020, 11022, 14696, 18370, 20040, 22044, 27555, 36740, 44088, 55110, 73480, 110220, 220440.

If you add them up, you will get the total of 220,945. Now subtract 220,440 to get 505,320