Q: What is the sum of all factors of the number 720,650 excluding 720,650?

A: 886,390

Why is 886,390 the sum of all factors of 720,650, excluding 720,650?

The factors of the number 720,650 are: 1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 71, 142, 145, 175, 203, 290, 350, 355, 406, 497, 710, 725, 994, 1015, 1450, 1775, 2030, 2059, 2485, 3550, 4118, 4970, 5075, 10150, 10295, 12425, 14413, 20590, 24850, 28826, 51475, 72065, 102950, 144130, 360325, 720650.

If you add them up, you will get the total of 721,536. Now subtract 720,650 to get 886,390