Q: What is the sum of all factors of the number 398,450 excluding 398,450?
A: 400,978
The factors of the number 398,450 are: 1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 613, 650, 1226, 3065, 6130, 7969, 15325, 15938, 30650, 39845, 79690, 199225, 398450.
If you add them up, you will get the total of 398,850. Now subtract 398,450 to get 400,978