Q: What is the sum of all factors of the number 221,850 excluding 221,850?

A: 431,010

Why is 431,010 the sum of all factors of 221,850, excluding 221,850?

The factors of the number 221,850 are: 1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 29, 30, 34, 45, 50, 51, 58, 75, 85, 87, 90, 102, 145, 150, 153, 170, 174, 225, 255, 261, 290, 306, 425, 435, 450, 493, 510, 522, 725, 765, 850, 870, 986, 1275, 1305, 1450, 1479, 1530, 2175, 2465, 2550, 2610, 2958, 3825, 4350, 4437, 4930, 6525, 7395, 7650, 8874, 12325, 13050, 14790, 22185, 24650, 36975, 44370, 73950, 110925, 221850.

If you add them up, you will get the total of 222,281. Now subtract 221,850 to get 431,010