Q: What is the sum of all factors of the number 256,843,770 excluding 256,843,770?

A: 360,154,182

Why is 360,154,182 the sum of all factors of 256,843,770, excluding 256,843,770?

The factors of the number 256,843,770 are: 1, 2, 3, 5, 6, 10, 15, 30, 1283, 2566, 3849, 6415, 6673, 7698, 12830, 13346, 19245, 20019, 33365, 38490, 40038, 66730, 100095, 200190, 8561459, 17122918, 25684377, 42807295, 51368754, 85614590, 128421885, 256843770.

If you add them up, you will get the total of 256,844,130. Now subtract 256,843,770 to get 360,154,182