The factors of the number 203,122,304 are: 1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 128, 148, 154, 176, 224, 259, 296, 308, 352, 407, 448, 518, 557, 592, 616, 704, 814, 896, 1036, 1114, 1184, 1232, 1408, 1628, 2072, 2228, 2368, 2464, 2849, 3256, 3899, 4144, 4456, 4736, 4928, 5698, 6127, 6512, 7798, 8288, 8912, 9856, 11396, 12254, 13024, 15596, 16576, 17824, 20609, 22792, 24508, 26048, 31192, 33152, 35648, 41218, 42889, 45584, 49016, 52096, 62384, 71296, 82436, 85778, 91168, 98032, 124768, 144263, 164872, 171556, 182336, 196064, 226699, 249536, 288526, 329744, 343112, 364672, 392128, 453398, 499072, 577052, 659488, 686224, 784256, 906796, 1154104, 1318976, 1372448, 1586893, 1813592, 2308208, 2637952, 2744896, 3173786, 3627184, 4616416, 5489792, 6347572, 7254368, 9232832, 12695144, 14508736, 18465664, 25390288, 29017472, 50780576, 101561152, 203122304.
If you add them up, you will get the total of 519,073,920.