The factors of the number 321,215,020 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 61, 70, 116, 122, 140, 145, 203, 244, 290, 305, 406, 427, 580, 610, 812, 854, 1015, 1220, 1297, 1708, 1769, 2030, 2135, 2594, 3538, 4060, 4270, 5188, 6485, 7076, 8540, 8845, 9079, 12383, 12970, 17690, 18158, 24766, 25940, 35380, 36316, 37613, 45395, 49532, 61915, 75226, 79117, 90790, 123830, 150452, 158234, 181580, 188065, 247660, 263291, 316468, 376130, 395585, 526582, 553819, 752260, 791170, 1053164, 1107638, 1316455, 1582340, 2215276, 2294393, 2632910, 2769095, 4588786, 5265820, 5538190, 9177572, 11076380, 11471965, 16060751, 22943930, 32121502, 45887860, 64243004, 80303755, 160607510, 321215020.
If you add them up, you will get the total of 321,215,509. Now subtract 321,215,020 to get 489,983,060