Q: What is the sum of all factors of the number 123,210,204 excluding 123,210,204?

A: 187,103,268

Why is 187,103,268 the sum of all factors of 123,210,204, excluding 123,210,204?

The factors of the number 123,210,204 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 743, 1063, 1486, 2126, 2229, 2972, 3189, 4252, 4458, 6378, 8916, 9659, 12756, 13819, 19318, 27638, 28977, 38636, 41457, 55276, 57954, 82914, 115908, 165828, 789809, 1579618, 2369427, 3159236, 4738854, 9477708, 10267517, 20535034, 30802551, 41070068, 61605102, 123210204.

If you add them up, you will get the total of 123,210,391. Now subtract 123,210,204 to get 187,103,268