Q: What is the sum of all factors of the number 1,780,020 excluding 1,780,020?
A: 4,509,900
The factors of the number 1,780,020 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 29, 30, 31, 33, 36, 44, 45, 55, 58, 60, 62, 66, 87, 90, 93, 99, 110, 116, 124, 132, 145, 155, 165, 174, 180, 186, 198, 220, 261, 279, 290, 310, 319, 330, 341, 348, 372, 396, 435, 465, 495, 522, 558, 580, 620, 638, 660, 682, 870, 899, 930, 957, 990, 1023, 1044, 1116, 1276, 1305, 1364, 1395, 1595, 1705, 1740, 1798, 1860, 1914, 1980, 2046, 2610, 2697, 2790, 2871, 3069, 3190, 3410, 3596, 3828, 4092, 4495, 4785, 5115, 5220, 5394, 5580, 5742, 6138, 6380, 6820, 8091, 8990, 9570, 9889, 10230, 10788, 11484, 12276, 13485, 14355, 15345, 16182, 17980, 19140, 19778, 20460, 26970, 28710, 29667, 30690, 32364, 39556, 40455, 49445, 53940, 57420, 59334, 61380, 80910, 89001, 98890, 118668, 148335, 161820, 178002, 197780, 296670, 356004, 445005, 593340, 890010, 1780020.
If you add them up, you will get the total of 1,780,024. Now subtract 1,780,020 to get 4,509,900