Q: What is the sum of all factors of the number 217,220 excluding 217,220?
A: 238,984
The factors of the number 217,220 are: 1, 2, 4, 5, 10, 20, 10861, 21722, 43444, 54305, 108610, 217220.
If you add them up, you will get the total of 217,458. Now subtract 217,220 to get 238,984