Q: What is the sum of all factors of the number 989,720 including 989,720?

Why is 2,257,200 the sum of all factors of 989,720, including 989,720?

The factors of the number 989,720 are: 1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 227, 436, 454, 545, 872, 908, 1090, 1135, 1816, 2180, 2270, 4360, 4540, 9080, 24743, 49486, 98972, 123715, 197944, 247430, 494860, 989720.

If you add them up, you will get the total of 2,257,200.

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