Q: What is the sum of all factors of the number 851,090 excluding 851,090?
A: 680,890
The factors of the number 851,090 are: 1, 2, 5, 10, 85109, 170218, 425545, 851090.
If you add them up, you will get the total of 851,770. Now subtract 851,090 to get 680,890