The factors of the number 400,413,420 are: 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 774, 860, 946, 990, 1290, 1419, 1548, 1892, 1935, 1980, 2365, 2580, 2838, 3870, 4257, 4703, 4730, 5676, 7095, 7740, 8514, 9406, 9460, 14109, 14190, 17028, 18812, 21285, 23515, 28218, 28380, 42327, 42570, 47030, 51733, 56436, 70545, 84654, 85140, 94060, 103466, 141090, 155199, 169308, 202229, 206932, 211635, 258665, 282180, 310398, 404458, 423270, 465597, 517330, 606687, 620796, 775995, 808916, 846540, 931194, 1011145, 1034660, 1213374, 1551990, 1820061, 1862388, 2022290, 2224519, 2327985, 2426748, 3033435, 3103980, 3640122, 4044580, 4449038, 4655970, 6066870, 6673557, 7280244, 8898076, 9100305, 9311940, 11122595, 12133740, 13347114, 18200610, 20020671, 22245190, 26694228, 33367785, 36401220, 40041342, 44490380, 66735570, 80082684, 100103355, 133471140, 200206710, 400413420.
If you add them up, you will get the total of 400,414,375. Now subtract 400,413,420 to get 955,693,332