Q: What is the sum of all factors of the number 421,331,440 including 421,331,440?

A: 980,450,640

Why is 980,450,640 the sum of all factors of 421,331,440, including 421,331,440?

The factors of the number 421,331,440 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2179, 2417, 4358, 4834, 8716, 9668, 10895, 12085, 17432, 19336, 21790, 24170, 34864, 38672, 43580, 48340, 87160, 96680, 174320, 193360, 5266643, 10533286, 21066572, 26333215, 42133144, 52666430, 84266288, 105332860, 210665720, 421331440.

If you add them up, you will get the total of 980,450,640.