The factors of the number 1,284,780 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 49, 57, 60, 69, 70, 76, 84, 92, 95, 98, 105, 114, 115, 133, 138, 140, 147, 161, 190, 196, 210, 228, 230, 245, 266, 276, 285, 294, 322, 345, 380, 399, 420, 437, 460, 483, 490, 532, 570, 588, 644, 665, 690, 735, 798, 805, 874, 931, 966, 980, 1127, 1140, 1311, 1330, 1380, 1470, 1596, 1610, 1748, 1862, 1932, 1995, 2185, 2254, 2415, 2622, 2660, 2793, 2940, 3059, 3220, 3381, 3724, 3990, 4370, 4508, 4655, 4830, 5244, 5586, 5635, 6118, 6555, 6762, 7980, 8740, 9177, 9310, 9660, 11172, 11270, 12236, 13110, 13524, 13965, 15295, 16905, 18354, 18620, 21413, 22540, 26220, 27930, 30590, 33810, 36708, 42826, 45885, 55860, 61180, 64239, 67620, 85652, 91770, 107065, 128478, 183540, 214130, 256956, 321195, 428260, 642390, 1284780.
If you add them up, you will get the total of 1,284,783. Now subtract 1,284,780 to get 3,311,700