The factors of the number 311,332,736 are: 1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 73, 88, 104, 128, 143, 146, 176, 208, 233, 286, 292, 352, 416, 466, 572, 584, 704, 803, 832, 932, 949, 1144, 1168, 1408, 1606, 1664, 1864, 1898, 2288, 2336, 2563, 3029, 3212, 3728, 3796, 4576, 4672, 5126, 6058, 6424, 7456, 7592, 9152, 9344, 10252, 10439, 12116, 12848, 14912, 15184, 17009, 18304, 20504, 20878, 24232, 25696, 29824, 30368, 33319, 34018, 41008, 41756, 48464, 51392, 60736, 66638, 68036, 82016, 83512, 96928, 102784, 121472, 133276, 136072, 164032, 167024, 187099, 193856, 221117, 266552, 272144, 328064, 334048, 374198, 387712, 442234, 533104, 544288, 668096, 748396, 884468, 1066208, 1088576, 1336192, 1496792, 1768936, 2132416, 2177152, 2432287, 2993584, 3537872, 4264832, 4864574, 5987168, 7075744, 9729148, 11974336, 14151488, 19458296, 23948672, 28302976, 38916592, 77833184, 155666368, 311332736.
If you add them up, you will get the total of 741,817,440.