Q: What is the sum of all factors of the number 289,180,528 excluding 289,180,528?

A: 400,407,280

Why is 400,407,280 the sum of all factors of 289,180,528, excluding 289,180,528?

The factors of the number 289,180,528 are: 1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 198613, 397226, 794452, 1390291, 1588904, 2581969, 2780582, 3177808, 5163938, 5561164, 10327876, 11122328, 18073783, 20655752, 22244656, 36147566, 41311504, 72295132, 144590264, 289180528.

If you add them up, you will get the total of 289,180,928. Now subtract 289,180,528 to get 400,407,280