Q: What is the sum of all factors of the number 123,003,210 excluding 123,003,210?

A: 210,172,470

Why is 210,172,470 the sum of all factors of 123,003,210, excluding 123,003,210?

The factors of the number 123,003,210 are: 1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 9570, 12853, 25706, 38559, 64265, 77118, 128530, 141383, 192795, 282766, 372737, 385590, 424149, 706915, 745474, 848298, 1118211, 1413830, 1863685, 2120745, 2236422, 3727370, 4100107, 4241490, 5591055, 8200214, 11182110, 12300321, 20500535, 24600642, 41001070, 61501605, 123003210.

If you add them up, you will get the total of 123,003,420. Now subtract 123,003,210 to get 210,172,470