The factors of the number 1,379,840 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 308, 320, 352, 385, 392, 440, 448, 490, 512, 539, 560, 616, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1232, 1280, 1408, 1540, 1568, 1760, 1792, 1960, 2156, 2240, 2464, 2560, 2695, 2816, 3080, 3136, 3520, 3584, 3920, 4312, 4480, 4928, 5390, 5632, 6160, 6272, 7040, 7840, 8624, 8960, 9856, 10780, 12320, 12544, 14080, 15680, 17248, 17920, 19712, 21560, 24640, 25088, 28160, 31360, 34496, 39424, 43120, 49280, 62720, 68992, 86240, 98560, 125440, 137984, 172480, 197120, 275968, 344960, 689920, 1379840.
If you add them up, you will get the total of 1,379,842. Now subtract 1,379,840 to get 2,818,552