Q: What is the sum of all factors of the number 102,900 excluding 102,900?

A: 244,300

Why is 244,300 the sum of all factors of 102,900, excluding 102,900?

The factors of the number 102,900 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 343, 350, 420, 490, 525, 588, 686, 700, 735, 980, 1029, 1050, 1225, 1372, 1470, 1715, 2058, 2100, 2450, 2940, 3430, 3675, 4116, 4900, 5145, 6860, 7350, 8575, 10290, 14700, 17150, 20580, 25725, 34300, 51450, 102900.

If you add them up, you will get the total of 103,144. Now subtract 102,900 to get 244,300