Q: What is the sum of all factors of the number 390,728 excluding 390,728?
A: 451,987
The factors of the number 390,728 are: 1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 289, 338, 442, 578, 676, 884, 1156, 1352, 1768, 2312, 2873, 3757, 5746, 7514, 11492, 15028, 22984, 30056, 48841, 97682, 195364, 390728.
If you add them up, you will get the total of 391,179. Now subtract 390,728 to get 451,987