137938840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 354816000

約数和(自身を除く): 216877160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 43, 52, 62, 65, 86, 104, 124, 130, 155, 172, 199, 215, 248, 260, 310, 344, 398, 403, 430, 520, 559, 620, 796, 806, 860, 995, 1118, 1240, 1333, 1592, 1612, 1720, 1990, 2015, 2236, 2587, 2666, 2795, 3224, 3980, 4030, 4472, 5174, 5332, 5590, 6169, 6665, 7960, 8060, 8557, 10348, 10664, 11180, 12338, 12935, 13330, 16120, 17114, 17329, 20696, 22360, 24676, 25870, 26660, 30845, 34228, 34658, 42785, 49352, 51740, 53320, 61690, 68456, 69316, 80197, 85570, 86645, 103480, 111241, 123380, 138632, 160394, 171140, 173290, 222482, 246760, 265267, 320788, 342280, 346580, 400985, 444964, 530534, 556205, 641576, 693160, 801970, 889928, 1061068, 1112410, 1326335, 1603940, 2122136, 2224820, 2652670, 3207880, 3448471, 4449640, 5305340, 6896942, 10610680, 13793884, 17242355, 27587768, 34484710, 68969420, 137938840]

約数ペア:

[(1, 137938840), (2, 68969420), (4, 34484710), (5, 27587768), (8, 17242355), (10, 13793884), (13, 10610680), (20, 6896942), (26, 5305340), (31, 4449640), (40, 3448471), (43, 3207880), (52, 2652670), (62, 2224820), (65, 2122136), (86, 1603940), (104, 1326335), (124, 1112410), (130, 1061068), (155, 889928), (172, 801970), (199, 693160), (215, 641576), (248, 556205), (260, 530534), (310, 444964), (344, 400985), (398, 346580), (403, 342280), (430, 320788), (520, 265267), (559, 246760), (620, 222482), (796, 173290), (806, 171140), (860, 160394), (995, 138632), (1118, 123380), (1240, 111241), (1333, 103480), (1592, 86645), (1612, 85570), (1720, 80197), (1990, 69316), (2015, 68456), (2236, 61690), (2587, 53320), (2666, 51740), (2795, 49352), (3224, 42785), (3980, 34658), (4030, 34228), (4472, 30845), (5174, 26660), (5332, 25870), (5590, 24676), (6169, 22360), (6665, 20696), (7960, 17329), (8060, 17114), (8557, 16120), (10348, 13330), (10664, 12935), (11180, 12338)]