Q: What is the sum of all factors of the number 219,816 excluding 219,816?

A: 397,944

Why is 397,944 the sum of all factors of 219,816, excluding 219,816?

The factors of the number 219,816 are: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 71, 72, 86, 129, 142, 172, 213, 258, 284, 344, 387, 426, 516, 568, 639, 774, 852, 1032, 1278, 1548, 1704, 2556, 3053, 3096, 5112, 6106, 9159, 12212, 18318, 24424, 27477, 36636, 54954, 73272, 109908, 219816.

If you add them up, you will get the total of 220,213. Now subtract 219,816 to get 397,944