Q: What is the sum of all factors of the number 290,550 excluding 290,550?

A: 490,650

Why is 490,650 the sum of all factors of 290,550, excluding 290,550?

The factors of the number 290,550 are: 1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 149, 150, 195, 298, 325, 390, 447, 650, 745, 894, 975, 1490, 1937, 1950, 2235, 3725, 3874, 4470, 5811, 7450, 9685, 11175, 11622, 19370, 22350, 29055, 48425, 58110, 96850, 145275, 290550.

If you add them up, you will get the total of 291,040. Now subtract 290,550 to get 490,650