Q: What is the sum of all factors of the number 420,123,444 excluding 420,123,444?
A: 641,475,276
The factors of the number 420,123,444 are: 1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 181, 362, 543, 724, 1086, 2172, 2353, 4706, 7059, 9412, 14118, 14879, 28236, 29758, 44637, 59516, 89274, 178548, 193427, 386854, 580281, 773708, 1160562, 2321124, 2693099, 5386198, 8079297, 10772396, 16158594, 32317188, 35010287, 70020574, 105030861, 140041148, 210061722, 420123444.
If you add them up, you will get the total of 420,124,085. Now subtract 420,123,444 to get 641,475,276