The factors of the number 947,520 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 94, 96, 105, 112, 120, 126, 140, 141, 144, 160, 168, 180, 188, 192, 210, 224, 235, 240, 252, 280, 282, 288, 315, 320, 329, 336, 360, 376, 420, 423, 448, 470, 480, 504, 560, 564, 576, 630, 658, 672, 705, 720, 752, 840, 846, 940, 960, 987, 1008, 1120, 1128, 1260, 1316, 1344, 1410, 1440, 1504, 1645, 1680, 1692, 1880, 1974, 2016, 2115, 2240, 2256, 2520, 2632, 2820, 2880, 2961, 3008, 3290, 3360, 3384, 3760, 3948, 4032, 4230, 4512, 4935, 5040, 5264, 5640, 5922, 6580, 6720, 6768, 7520, 7896, 8460, 9024, 9870, 10080, 10528, 11280, 11844, 13160, 13536, 14805, 15040, 15792, 16920, 19740, 20160, 21056, 22560, 23688, 26320, 27072, 29610, 31584, 33840, 39480, 45120, 47376, 52640, 59220, 63168, 67680, 78960, 94752, 105280, 118440, 135360, 157920, 189504, 236880, 315840, 473760, 947520.
If you add them up, you will get the total of 3,803,904.