Q: What is the sum of all factors of the number 155,220,138 excluding 155,220,138?

A: 194,107,830

Why is 194,107,830 the sum of all factors of 155,220,138, excluding 155,220,138?

The factors of the number 155,220,138 are: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 3943, 4374, 6561, 7886, 11829, 13122, 19683, 23658, 35487, 39366, 70974, 106461, 212922, 319383, 638766, 958149, 1916298, 2874447, 5748894, 8623341, 17246682, 25870023, 51740046, 77610069, 155220138.

If you add them up, you will get the total of 155,220,332. Now subtract 155,220,138 to get 194,107,830