The factors of the number 404,602,020 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 71, 90, 108, 122, 135, 142, 173, 180, 183, 213, 244, 270, 284, 305, 346, 355, 366, 426, 519, 540, 549, 610, 639, 692, 710, 732, 852, 865, 915, 1038, 1065, 1098, 1220, 1278, 1420, 1557, 1647, 1730, 1830, 1917, 2076, 2130, 2196, 2556, 2595, 2745, 3114, 3195, 3294, 3460, 3660, 3834, 4260, 4331, 4671, 5190, 5490, 6228, 6390, 6588, 7668, 7785, 8235, 8662, 9342, 9585, 10380, 10553, 10980, 12283, 12780, 12993, 15570, 16470, 17324, 18684, 19170, 21106, 21655, 23355, 24566, 25986, 31140, 31659, 32940, 36849, 38340, 38979, 42212, 43310, 46710, 49132, 51972, 52765, 61415, 63318, 64965, 73698, 77958, 86620, 93420, 94977, 105530, 110547, 116937, 122830, 126636, 129930, 147396, 155916, 158295, 184245, 189954, 194895, 211060, 221094, 233874, 245660, 259860, 284931, 316590, 331641, 368490, 379908, 389790, 442188, 467748, 474885, 552735, 569862, 584685, 633180, 663282, 736980, 749263, 779580, 949770, 1105470, 1139724, 1169370, 1326564, 1424655, 1498526, 1658205, 1899540, 2210940, 2247789, 2338740, 2849310, 2997052, 3316410, 3746315, 4495578, 5698620, 6632820, 6743367, 7492630, 8991156, 11238945, 13486734, 14985260, 20230101, 22477890, 26973468, 33716835, 40460202, 44955780, 67433670, 80920404, 101150505, 134867340, 202301010, 404602020.
If you add them up, you will get the total of 1,304,916,480.