Q: What is the sum of all factors of the number 400,015,065 including 400,015,065?

A: 664,941,312

Why is 664,941,312 the sum of all factors of 400,015,065, including 400,015,065?

The factors of the number 400,015,065 are: 1, 3, 5, 15, 41, 71, 123, 205, 213, 355, 615, 1065, 2911, 8733, 9161, 14555, 27483, 43665, 45805, 137415, 375601, 650431, 1126803, 1878005, 1951293, 3252155, 5634015, 9756465, 26667671, 80003013, 133338355, 400015065.

If you add them up, you will get the total of 664,941,312.