Q: What is the sum of all factors of the number 650,390 excluding 650,390?
A: 610,618
The factors of the number 650,390 are: 1, 2, 5, 10, 13, 26, 65, 130, 5003, 10006, 25015, 50030, 65039, 130078, 325195, 650390.
If you add them up, you will get the total of 651,000. Now subtract 650,390 to get 610,618