Q: What is the sum of all factors of the number 205,155,020 excluding 205,155,020?

 A: 287,217,364

Why is 287,217,364 the sum of all factors of 205,155,020, excluding 205,155,020?

The factors of the number 205,155,020 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1465393, 2930786, 5861572, 7326965, 10257751, 14653930, 20515502, 29307860, 41031004, 51288755, 102577510, 205155020.

If you add them up, you will get the total of 205,155,307. Now subtract 205,155,020 to get 287,217,364


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