Q: What is the sum of all factors of the number 705,105,345 excluding 705,105,345?

A: 684,476,223

Why is 684,476,223 the sum of all factors of 705,105,345, excluding 705,105,345?

The factors of the number 705,105,345 are: 1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 12495, 56431, 169293, 282155, 395017, 846465, 959327, 1185051, 1975085, 2765119, 2877981, 4796635, 5925255, 6715289, 8295357, 13825595, 14389905, 20145867, 33576445, 41476785, 47007023, 100729335, 141021069, 235035115, 705105345.

If you add them up, you will get the total of 705,106,029. Now subtract 705,105,345 to get 684,476,223