The factors of the number 974,160 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 41, 44, 45, 48, 54, 55, 60, 66, 72, 80, 82, 88, 90, 99, 108, 110, 120, 123, 132, 135, 144, 164, 165, 176, 180, 198, 205, 216, 220, 240, 246, 264, 270, 297, 328, 330, 360, 369, 396, 410, 432, 440, 451, 492, 495, 528, 540, 594, 615, 656, 660, 720, 738, 792, 820, 880, 902, 984, 990, 1080, 1107, 1188, 1230, 1320, 1353, 1476, 1485, 1584, 1640, 1804, 1845, 1968, 1980, 2160, 2214, 2255, 2376, 2460, 2640, 2706, 2952, 2970, 3280, 3608, 3690, 3960, 4059, 4428, 4510, 4752, 4920, 5412, 5535, 5904, 5940, 6765, 7216, 7380, 7920, 8118, 8856, 9020, 9840, 10824, 11070, 11880, 12177, 13530, 14760, 16236, 17712, 18040, 20295, 21648, 22140, 23760, 24354, 27060, 29520, 32472, 36080, 40590, 44280, 48708, 54120, 60885, 64944, 81180, 88560, 97416, 108240, 121770, 162360, 194832, 243540, 324720, 487080, 974160.
If you add them up, you will get the total of 3,749,760.