The factors of the number 305,404,020 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 954, 1060, 1431, 1590, 1620, 1908, 2385, 2862, 3180, 3557, 4293, 4770, 5724, 7114, 7155, 8586, 9540, 10671, 14228, 14310, 17172, 17785, 21342, 21465, 28620, 32013, 35570, 42684, 42930, 53355, 64026, 71140, 85860, 96039, 106710, 128052, 160065, 188521, 192078, 213420, 288117, 320130, 377042, 384156, 480195, 565563, 576234, 640260, 754084, 942605, 960390, 1131126, 1152468, 1440585, 1696689, 1885210, 1920780, 2262252, 2827815, 2881170, 3393378, 3770420, 5090067, 5655630, 5762340, 6786756, 8483445, 10180134, 11311260, 15270201, 16966890, 20360268, 25450335, 30540402, 33933780, 50900670, 61080804, 76351005, 101801340, 152702010, 305404020.
If you add them up, you will get the total of 976,414,824.