Q: What is the sum of all factors of the number 420,856 excluding 420,856?
A: 394,184
The factors of the number 420,856 are: 1, 2, 4, 8, 31, 62, 124, 248, 1697, 3394, 6788, 13576, 52607, 105214, 210428, 420856.
If you add them up, you will get the total of 421,250. Now subtract 420,856 to get 394,184