The factors of the number 303,220,320 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 48593, 97186, 145779, 194372, 242965, 291558, 388744, 485930, 583116, 631709, 728895, 777488, 971860, 1166232, 1263418, 1457790, 1554976, 1895127, 1943720, 2332464, 2526836, 2915580, 3158545, 3790254, 3887440, 4664928, 5053672, 5831160, 6317090, 7580508, 7774880, 9475635, 10107344, 11662320, 12634180, 15161016, 18951270, 20214688, 23324640, 25268360, 30322032, 37902540, 50536720, 60644064, 75805080, 101073440, 151610160, 303220320.
If you add them up, you will get the total of 1,028,637,792.