Q: What is the sum of all factors of the number 86,900 excluding 86,900?
A: 121,420
The factors of the number 86,900 are: 1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 79, 100, 110, 158, 220, 275, 316, 395, 550, 790, 869, 1100, 1580, 1738, 1975, 3476, 3950, 4345, 7900, 8690, 17380, 21725, 43450, 86900.
If you add them up, you will get the total of 87,021. Now subtract 86,900 to get 121,420