Q: What is the sum of all factors of the number 420,478 excluding 420,478?
A: 259,922
The factors of the number 420,478 are: 1, 2, 17, 34, 83, 149, 166, 298, 1411, 2533, 2822, 5066, 12367, 24734, 210239, 420478.
If you add them up, you will get the total of 420,737. Now subtract 420,478 to get 259,922