Q: What is the sum of all factors of the number 392,920 excluding 392,920?
A: 643,880
The factors of the number 392,920 are: 1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 47, 55, 76, 88, 94, 95, 110, 152, 188, 190, 209, 220, 235, 376, 380, 418, 440, 470, 517, 760, 836, 893, 940, 1034, 1045, 1672, 1786, 1880, 2068, 2090, 2585, 3572, 4136, 4180, 4465, 5170, 7144, 8360, 8930, 9823, 10340, 17860, 19646, 20680, 35720, 39292, 49115, 78584, 98230, 196460, 392920.
If you add them up, you will get the total of 393,563. Now subtract 392,920 to get 643,880