The factors of the number 477,360 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 27, 30, 34, 36, 39, 40, 45, 48, 51, 52, 54, 60, 65, 68, 72, 78, 80, 85, 90, 102, 104, 108, 117, 120, 130, 135, 136, 144, 153, 156, 170, 180, 195, 204, 208, 216, 221, 234, 240, 255, 260, 270, 272, 306, 312, 340, 351, 360, 390, 408, 432, 442, 459, 468, 510, 520, 540, 585, 612, 624, 663, 680, 702, 720, 765, 780, 816, 884, 918, 936, 1020, 1040, 1080, 1105, 1170, 1224, 1326, 1360, 1404, 1530, 1560, 1755, 1768, 1836, 1872, 1989, 2040, 2160, 2210, 2295, 2340, 2448, 2652, 2808, 3060, 3120, 3315, 3510, 3536, 3672, 3978, 4080, 4420, 4590, 4680, 5304, 5616, 5967, 6120, 6630, 7020, 7344, 7956, 8840, 9180, 9360, 9945, 10608, 11934, 12240, 13260, 14040, 15912, 17680, 18360, 19890, 23868, 26520, 28080, 29835, 31824, 36720, 39780, 47736, 53040, 59670, 79560, 95472, 119340, 159120, 238680, 477360.
If you add them up, you will get the total of 477,361. Now subtract 477,360 to get 1,397,520