Why is 284 the sum of all factors of 220, excluding 220?
The factors of the number 220 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220.
If you add them up, you will get the total of 504. Now subtract 220 to get 284
More numbers for you to try...
Try the
factor calculator