Q: What is the sum of all factors of the number 123,040,100 excluding 123,040,100?

Why is 143,957,134 the sum of all factors of 123,040,100, excluding 123,040,100?

The factors of the number 123,040,100 are: 1, 2, 4, 5, 10, 20, 25, 50, 100, 1230401, 2460802, 4921604, 6152005, 12304010, 24608020, 30760025, 61520050, 123040100.

If you add them up, you will get the total of 123,040,243. Now subtract 123,040,100 to get 143,957,134

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