Q: What is the sum of all factors of the number 201,221,220 excluding 201,221,220?

Why is 362,198,364 the sum of all factors of 201,221,220, excluding 201,221,220?

The factors of the number 201,221,220 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3353687, 6707374, 10061061, 13414748, 16768435, 20122122, 33536870, 40244244, 50305305, 67073740, 100610610, 201221220.

If you add them up, you will get the total of 201,221,582. Now subtract 201,221,220 to get 362,198,364

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