Q: What is the sum of all factors of the number 642,390 excluding 642,390?
A: 1,327,530
The factors of the number 642,390 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 23, 30, 35, 38, 42, 46, 49, 57, 69, 70, 95, 98, 105, 114, 115, 133, 138, 147, 161, 190, 210, 230, 245, 266, 285, 294, 322, 345, 399, 437, 483, 490, 570, 665, 690, 735, 798, 805, 874, 931, 966, 1127, 1311, 1330, 1470, 1610, 1862, 1995, 2185, 2254, 2415, 2622, 2793, 3059, 3381, 3990, 4370, 4655, 4830, 5586, 5635, 6118, 6555, 6762, 9177, 9310, 11270, 13110, 13965, 15295, 16905, 18354, 21413, 27930, 30590, 33810, 42826, 45885, 64239, 91770, 107065, 128478, 214130, 321195, 642390.
If you add them up, you will get the total of 642,391. Now subtract 642,390 to get 1,327,530