2101472020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 4668926976

約数和(自身を除く): 2567454956

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 97, 124, 155, 166, 194, 310, 332, 388, 415, 421, 485, 620, 830, 842, 970, 1660, 1684, 1940, 2105, 2573, 3007, 4210, 5146, 6014, 8051, 8420, 10292, 12028, 12865, 13051, 15035, 16102, 25730, 26102, 30070, 32204, 34943, 40255, 40837, 51460, 52204, 60140, 65255, 69886, 80510, 81674, 130510, 139772, 161020, 163348, 174715, 204185, 249581, 261020, 349430, 408370, 499162, 698860, 816740, 998324, 1083233, 1247905, 1265947, 2166466, 2495810, 2531894, 3389471, 4332932, 4991620, 5063788, 5416165, 6329735, 6778942, 10832330, 12659470, 13557884, 16947355, 21664660, 25318940, 33894710, 67789420, 105073601, 210147202, 420294404, 525368005, 1050736010, 2101472020]

約数ペア:

[(1, 2101472020), (2, 1050736010), (4, 525368005), (5, 420294404), (10, 210147202), (20, 105073601), (31, 67789420), (62, 33894710), (83, 25318940), (97, 21664660), (124, 16947355), (155, 13557884), (166, 12659470), (194, 10832330), (310, 6778942), (332, 6329735), (388, 5416165), (415, 5063788), (421, 4991620), (485, 4332932), (620, 3389471), (830, 2531894), (842, 2495810), (970, 2166466), (1660, 1265947), (1684, 1247905), (1940, 1083233), (2105, 998324), (2573, 816740), (3007, 698860), (4210, 499162), (5146, 408370), (6014, 349430), (8051, 261020), (8420, 249581), (10292, 204185), (12028, 174715), (12865, 163348), (13051, 161020), (15035, 139772), (16102, 130510), (25730, 81674), (26102, 80510), (30070, 69886), (32204, 65255), (34943, 60140), (40255, 52204), (40837, 51460)]