Q: What is the sum of all factors of the number 260,381,025 excluding 260,381,025?

A: 218,610,267

Why is 218,610,267 the sum of all factors of 260,381,025, excluding 260,381,025?

The factors of the number 260,381,025 are: 1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 8325, 31277, 93831, 156385, 281493, 469155, 781925, 1157249, 1407465, 2345775, 3471747, 5786245, 7037325, 10415241, 17358735, 28931225, 52076205, 86793675, 260381025.

If you add them up, you will get the total of 260,381,243. Now subtract 260,381,025 to get 218,610,267