Q: What is the sum of all factors of the number 631,390 excluding 631,390?
A: 518,018
The factors of the number 631,390 are: 1, 2, 5, 10, 103, 206, 515, 613, 1030, 1226, 3065, 6130, 63139, 126278, 315695, 631390.
If you add them up, you will get the total of 631,908. Now subtract 631,390 to get 518,018