Q: What is the sum of all factors of the number 531,143,640 excluding 531,143,640?

A: 1,195,074,360

Why is 1,195,074,360 the sum of all factors of 531,143,640, excluding 531,143,640?

The factors of the number 531,143,640 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1475399, 2950798, 4426197, 5901596, 7376995, 8852394, 11803192, 13278591, 14753990, 17704788, 22130985, 26557182, 29507980, 35409576, 44261970, 53114364, 59015960, 66392955, 88523940, 106228728, 132785910, 177047880, 265571820, 531143640.

If you add them up, you will get the total of 531,143,641. Now subtract 531,143,640 to get 1,195,074,360