Q: What is the sum of all factors of the number 90,280 excluding 90,280?
A: 121,760
The factors of the number 90,280 are: 1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 1220, 1480, 2257, 2440, 4514, 9028, 11285, 18056, 22570, 45140, 90280.
If you add them up, you will get the total of 90,401. Now subtract 90,280 to get 121,760