Q: What is the sum of all factors of the number 857,980 excluding 857,980?
A: 943,820
The factors of the number 857,980 are: 1, 2, 4, 5, 10, 20, 42899, 85798, 171596, 214495, 428990, 857980.
If you add them up, you will get the total of 858,923. Now subtract 857,980 to get 943,820