Q: What is the sum of all factors of the number 2,220 excluding 2,220?
A: 4,164
The factors of the number 2,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220.
If you add them up, you will get the total of 2,224. Now subtract 2,220 to get 4,164