The factors of the number 305,145,200 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 113, 157, 172, 200, 215, 226, 314, 344, 400, 430, 452, 565, 628, 688, 785, 860, 904, 1075, 1130, 1256, 1570, 1720, 1808, 2150, 2260, 2512, 2825, 3140, 3440, 3925, 4300, 4520, 4859, 5650, 6280, 6751, 7850, 8600, 9040, 9718, 11300, 12560, 13502, 15700, 17200, 17741, 19436, 22600, 24295, 27004, 31400, 33755, 35482, 38872, 45200, 48590, 54008, 62800, 67510, 70964, 77744, 88705, 97180, 108016, 121475, 135020, 141928, 168775, 177410, 194360, 242950, 270040, 283856, 337550, 354820, 388720, 443525, 485900, 540080, 675100, 709640, 762863, 887050, 971800, 1350200, 1419280, 1525726, 1774100, 1943600, 2700400, 3051452, 3548200, 3814315, 6102904, 7096400, 7628630, 12205808, 15257260, 19071575, 30514520, 38143150, 61029040, 76286300, 152572600, 305145200.
If you add them up, you will get the total of 761,619,408.