Q: What is the sum of all factors of the number 520,115,550 excluding 520,115,550?

Why is 769,771,386 the sum of all factors of 520,115,550, excluding 520,115,550?

The factors of the number 520,115,550 are: 1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 3467437, 6934874, 10402311, 17337185, 20804622, 34674370, 52011555, 86685925, 104023110, 173371850, 260057775, 520115550.

If you add them up, you will get the total of 520,116,319. Now subtract 520,115,550 to get 769,771,386

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