The factors of the number 1,470,840 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 103, 105, 119, 120, 136, 140, 168, 170, 204, 206, 210, 238, 255, 280, 309, 340, 357, 408, 412, 420, 476, 510, 515, 595, 618, 680, 714, 721, 824, 840, 952, 1020, 1030, 1190, 1236, 1428, 1442, 1545, 1751, 1785, 2040, 2060, 2163, 2380, 2472, 2856, 2884, 3090, 3502, 3570, 3605, 4120, 4326, 4760, 5253, 5768, 6180, 7004, 7140, 7210, 8652, 8755, 10506, 10815, 12257, 12360, 14008, 14280, 14420, 17304, 17510, 21012, 21630, 24514, 26265, 28840, 35020, 36771, 42024, 43260, 49028, 52530, 61285, 70040, 73542, 86520, 98056, 105060, 122570, 147084, 183855, 210120, 245140, 294168, 367710, 490280, 735420, 1470840.
If you add them up, you will get the total of 1,470,843. Now subtract 1,470,840 to get 3,920,520