Q: What is the sum of all factors of the number 211,211,310 excluding 211,211,310?

A: 297,173,490

Why is 297,173,490 the sum of all factors of 211,211,310, excluding 211,211,310?

The factors of the number 211,211,310 are: 1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 2094, 3490, 5235, 10470, 20173, 40346, 60519, 100865, 121038, 201730, 302595, 605190, 7040377, 14080754, 21121131, 35201885, 42242262, 70403770, 105605655, 211211310.

If you add them up, you will get the total of 211,211,607. Now subtract 211,211,310 to get 297,173,490