The factors of the number 304,431,120 are: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8629, 8820, 11760, 17258, 17640, 25887, 34516, 35280, 43145, 51774, 60403, 69032, 77661, 86290, 103548, 120806, 129435, 138064, 155322, 172580, 181209, 207096, 241612, 258870, 302015, 310644, 345160, 362418, 388305, 414192, 422821, 483224, 517740, 543627, 604030, 621288, 690320, 724836, 776610, 845642, 906045, 966448, 1035480, 1087254, 1208060, 1242576, 1268463, 1449672, 1553220, 1691284, 1812090, 2070960, 2114105, 2174508, 2416120, 2536926, 2718135, 2899344, 3106440, 3382568, 3624180, 3805389, 4228210, 4349016, 4832240, 5073852, 5436270, 6212880, 6342315, 6765136, 7248360, 7610778, 8456420, 8698032, 10147704, 10872540, 12684630, 14496720, 15221556, 16912840, 19026945, 20295408, 21745080, 25369260, 30443112, 33825680, 38053890, 43490160, 50738520, 60886224, 76107780, 101477040, 152215560, 304431120.
If you add them up, you will get the total of 1,189,438,380.