Q: What is the sum of all factors of the number 420,421,408 excluding 420,421,408?

 A: 482,529,872

Why is 482,529,872 the sum of all factors of 420,421,408, excluding 420,421,408?

The factors of the number 420,421,408 are: 1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 1194379, 2388758, 4777516, 9555032, 13138169, 19110064, 26276338, 38220128, 52552676, 105105352, 210210704, 420421408.

If you add them up, you will get the total of 420,421,890. Now subtract 420,421,408 to get 482,529,872


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