The factors of the number 1,372,800 are: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 25, 26, 30, 32, 33, 39, 40, 44, 48, 50, 52, 55, 60, 64, 65, 66, 75, 78, 80, 88, 96, 100, 104, 110, 120, 128, 130, 132, 143, 150, 156, 160, 165, 176, 192, 195, 200, 208, 220, 240, 260, 264, 275, 286, 300, 312, 320, 325, 330, 352, 384, 390, 400, 416, 429, 440, 480, 520, 528, 550, 572, 600, 624, 640, 650, 660, 704, 715, 780, 800, 825, 832, 858, 880, 960, 975, 1040, 1056, 1100, 1144, 1200, 1248, 1300, 1320, 1408, 1430, 1560, 1600, 1650, 1664, 1716, 1760, 1920, 1950, 2080, 2112, 2145, 2200, 2288, 2400, 2496, 2600, 2640, 2860, 3120, 3200, 3300, 3432, 3520, 3575, 3900, 4160, 4224, 4290, 4400, 4576, 4800, 4992, 5200, 5280, 5720, 6240, 6600, 6864, 7040, 7150, 7800, 8320, 8580, 8800, 9152, 9600, 10400, 10560, 10725, 11440, 12480, 13200, 13728, 14300, 15600, 17160, 17600, 18304, 20800, 21120, 21450, 22880, 24960, 26400, 27456, 28600, 31200, 34320, 35200, 41600, 42900, 45760, 52800, 54912, 57200, 62400, 68640, 85800, 91520, 105600, 114400, 124800, 137280, 171600, 228800, 274560, 343200, 457600, 686400, 1372800.
If you add them up, you will get the total of 1,372,803. Now subtract 1,372,800 to get 3,939,360