Q: What is the sum of all factors of the number 681,430 excluding 681,430?
A: 561,434
The factors of the number 681,430 are: 1, 2, 5, 10, 83, 166, 415, 821, 830, 1642, 4105, 8210, 68143, 136286, 340715, 681430.
If you add them up, you will get the total of 681,991. Now subtract 681,430 to get 561,434