Q: What is the sum of all factors of the number 15,400,390 excluding 15,400,390?
A: 12,320,330
The factors of the number 15,400,390 are: 1, 2, 5, 10, 1540039, 3080078, 7700195, 15400390.
If you add them up, you will get the total of 15,400,402. Now subtract 15,400,390 to get 12,320,330