Q: What is the sum of all factors of the number 280,290 excluding 280,290?
A: 392,478
The factors of the number 280,290 are: 1, 2, 3, 5, 6, 10, 15, 30, 9343, 18686, 28029, 46715, 56058, 93430, 140145, 280290.
If you add them up, you will get the total of 280,682. Now subtract 280,290 to get 392,478