Q: What is the sum of all factors of the number 820,208,670 excluding 820,208,670?

A: 1,151,052,258

Why is 1,151,052,258 the sum of all factors of 820,208,670, excluding 820,208,670?

The factors of the number 820,208,670 are: 1, 2, 3, 5, 6, 10, 15, 30, 727, 1454, 2181, 3635, 4362, 7270, 10905, 21810, 37607, 75214, 112821, 188035, 225642, 376070, 564105, 1128210, 27340289, 54680578, 82020867, 136701445, 164041734, 273402890, 410104335, 820208670.

If you add them up, you will get the total of 820,208,671. Now subtract 820,208,670 to get 1,151,052,258