201809840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2430

約数の個数: 80

約数和(自身を含む): 498718080

約数和(自身を除く): 296908240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 37, 40, 58, 74, 80, 116, 145, 148, 185, 232, 290, 296, 370, 464, 580, 592, 740, 1073, 1160, 1480, 2146, 2320, 2351, 2960, 4292, 4702, 5365, 8584, 9404, 10730, 11755, 17168, 18808, 21460, 23510, 37616, 42920, 47020, 68179, 85840, 86987, 94040, 136358, 173974, 188080, 272716, 340895, 347948, 434935, 545432, 681790, 695896, 869870, 1090864, 1363580, 1391792, 1739740, 2522623, 2727160, 3479480, 5045246, 5454320, 6958960, 10090492, 12613115, 20180984, 25226230, 40361968, 50452460, 100904920, 201809840]

約数ペア:

[(1, 201809840), (2, 100904920), (4, 50452460), (5, 40361968), (8, 25226230), (10, 20180984), (16, 12613115), (20, 10090492), (29, 6958960), (37, 5454320), (40, 5045246), (58, 3479480), (74, 2727160), (80, 2522623), (116, 1739740), (145, 1391792), (148, 1363580), (185, 1090864), (232, 869870), (290, 695896), (296, 681790), (370, 545432), (464, 434935), (580, 347948), (592, 340895), (740, 272716), (1073, 188080), (1160, 173974), (1480, 136358), (2146, 94040), (2320, 86987), (2351, 85840), (2960, 68179), (4292, 47020), (4702, 42920), (5365, 37616), (8584, 23510), (9404, 21460), (10730, 18808), (11755, 17168)]