The factors of the number 155,121,200 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 184, 200, 208, 230, 260, 299, 325, 368, 400, 460, 520, 575, 598, 650, 920, 1040, 1150, 1196, 1297, 1300, 1495, 1840, 2300, 2392, 2594, 2600, 2990, 4600, 4784, 5188, 5200, 5980, 6485, 7475, 9200, 10376, 11960, 12970, 14950, 16861, 20752, 23920, 25940, 29831, 29900, 32425, 33722, 51880, 59662, 59800, 64850, 67444, 84305, 103760, 119324, 119600, 129700, 134888, 149155, 168610, 238648, 259400, 269776, 298310, 337220, 387803, 421525, 477296, 518800, 596620, 674440, 745775, 775606, 843050, 1193240, 1348880, 1491550, 1551212, 1686100, 1939015, 2386480, 2983100, 3102424, 3372200, 3878030, 5966200, 6204848, 6744400, 7756060, 9695075, 11932400, 15512120, 19390150, 31024240, 38780300, 77560600, 155121200.
If you add them up, you will get the total of 155,121,463. Now subtract 155,121,200 to get 263,997,808