37978460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 89046720

約数和(自身を除く): 51068260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 79, 86, 130, 158, 172, 215, 260, 316, 395, 430, 559, 790, 860, 1027, 1118, 1580, 1849, 2054, 2236, 2795, 3397, 3698, 4108, 5135, 5590, 6794, 7396, 9245, 10270, 11180, 13588, 16985, 18490, 20540, 24037, 33970, 36980, 44161, 48074, 67940, 88322, 96148, 120185, 146071, 176644, 220805, 240370, 292142, 441610, 480740, 584284, 730355, 883220, 1460710, 1898923, 2921420, 3797846, 7595692, 9494615, 18989230, 37978460]

約数ペア:

[(1, 37978460), (2, 18989230), (4, 9494615), (5, 7595692), (10, 3797846), (13, 2921420), (20, 1898923), (26, 1460710), (43, 883220), (52, 730355), (65, 584284), (79, 480740), (86, 441610), (130, 292142), (158, 240370), (172, 220805), (215, 176644), (260, 146071), (316, 120185), (395, 96148), (430, 88322), (559, 67940), (790, 48074), (860, 44161), (1027, 36980), (1118, 33970), (1580, 24037), (1849, 20540), (2054, 18490), (2236, 16985), (2795, 13588), (3397, 11180), (3698, 10270), (4108, 9245), (5135, 7396), (5590, 6794)]