Q: What is the sum of all factors of the number 87,220 excluding 87,220?
A: 128,240
The factors of the number 87,220 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2492, 3115, 4361, 6230, 8722, 12460, 17444, 21805, 43610, 87220.
If you add them up, you will get the total of 87,348. Now subtract 87,220 to get 128,240