Q: What is the sum of all factors of the number 200,711,440 excluding 200,711,440?

A: 290,507,120

Why is 290,507,120 the sum of all factors of 200,711,440, excluding 200,711,440?

The factors of the number 200,711,440 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 132047, 264094, 528188, 660235, 1056376, 1320470, 2112752, 2508893, 2640940, 5017786, 5281880, 10035572, 10563760, 12544465, 20071144, 25088930, 40142288, 50177860, 100355720, 200711440.

If you add them up, you will get the total of 200,711,730. Now subtract 200,711,440 to get 290,507,120