The factors of the number 263,252,640 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 96, 105, 112, 120, 140, 141, 160, 168, 188, 210, 224, 235, 240, 280, 282, 329, 336, 376, 420, 470, 480, 560, 564, 658, 672, 705, 752, 840, 940, 987, 1120, 1128, 1316, 1410, 1504, 1645, 1667, 1680, 1880, 1974, 2256, 2632, 2820, 3290, 3334, 3360, 3760, 3948, 4512, 4935, 5001, 5264, 5640, 6580, 6668, 7520, 7896, 8335, 9870, 10002, 10528, 11280, 11669, 13160, 13336, 15792, 16670, 19740, 20004, 22560, 23338, 25005, 26320, 26672, 31584, 33340, 35007, 39480, 40008, 46676, 50010, 52640, 53344, 58345, 66680, 70014, 78349, 78960, 80016, 93352, 100020, 116690, 133360, 140028, 156698, 157920, 160032, 175035, 186704, 200040, 233380, 235047, 266720, 280056, 313396, 350070, 373408, 391745, 400080, 466760, 470094, 548443, 560112, 626792, 700140, 783490, 800160, 933520, 940188, 1096886, 1120224, 1175235, 1253584, 1400280, 1566980, 1645329, 1867040, 1880376, 2193772, 2350470, 2507168, 2742215, 2800560, 3133960, 3290658, 3760752, 4387544, 4700940, 5484430, 5601120, 6267920, 6581316, 7521504, 8226645, 8775088, 9401880, 10968860, 12535840, 13162632, 16453290, 17550176, 18803760, 21937720, 26325264, 32906580, 37607520, 43875440, 52650528, 65813160, 87750880, 131626320, 263252640.
If you add them up, you will get the total of 263,253,345. Now subtract 263,252,640 to get 705,201,504