Q: What is the sum of all factors of the number 1,219,960 including 1,219,960?

Why is 3,137,760 the sum of all factors of 1,219,960, including 1,219,960?

The factors of the number 1,219,960 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4357, 8714, 17428, 21785, 30499, 34856, 43570, 60998, 87140, 121996, 152495, 174280, 243992, 304990, 609980, 1219960.

If you add them up, you will get the total of 3,137,760.

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