Q: What is the sum of all factors of the number 392,440 excluding 392,440?
A: 490,640
The factors of the number 392,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 9811, 19622, 39244, 49055, 78488, 98110, 196220, 392440.
If you add them up, you will get the total of 392,930. Now subtract 392,440 to get 490,640