138751040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 112

約数和(自身を含む): 347618304

約数和(自身を除く): 208867264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 71, 80, 124, 142, 155, 160, 197, 248, 284, 310, 320, 355, 394, 496, 568, 620, 710, 788, 985, 992, 1136, 1240, 1420, 1576, 1970, 1984, 2201, 2272, 2480, 2840, 3152, 3940, 4402, 4544, 4960, 5680, 6107, 6304, 7880, 8804, 9920, 11005, 11360, 12214, 12608, 13987, 15760, 17608, 22010, 22720, 24428, 27974, 30535, 31520, 35216, 44020, 48856, 55948, 61070, 63040, 69935, 70432, 88040, 97712, 111896, 122140, 139870, 140864, 176080, 195424, 223792, 244280, 279740, 352160, 390848, 433597, 447584, 488560, 559480, 704320, 867194, 895168, 977120, 1118960, 1734388, 1954240, 2167985, 2237920, 3468776, 4335970, 4475840, 6937552, 8671940, 13875104, 17343880, 27750208, 34687760, 69375520, 138751040]

約数ペア:

[(1, 138751040), (2, 69375520), (4, 34687760), (5, 27750208), (8, 17343880), (10, 13875104), (16, 8671940), (20, 6937552), (31, 4475840), (32, 4335970), (40, 3468776), (62, 2237920), (64, 2167985), (71, 1954240), (80, 1734388), (124, 1118960), (142, 977120), (155, 895168), (160, 867194), (197, 704320), (248, 559480), (284, 488560), (310, 447584), (320, 433597), (355, 390848), (394, 352160), (496, 279740), (568, 244280), (620, 223792), (710, 195424), (788, 176080), (985, 140864), (992, 139870), (1136, 122140), (1240, 111896), (1420, 97712), (1576, 88040), (1970, 70432), (1984, 69935), (2201, 63040), (2272, 61070), (2480, 55948), (2840, 48856), (3152, 44020), (3940, 35216), (4402, 31520), (4544, 30535), (4960, 27974), (5680, 24428), (6107, 22720), (6304, 22010), (7880, 17608), (8804, 15760), (9920, 13987), (11005, 12608), (11360, 12214)]