2019927280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:695

約数の個数: 160

約数和(自身を含む): 5507647488

約数和(自身を除く): 3487720208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 101, 112, 140, 142, 202, 280, 284, 355, 404, 497, 503, 505, 560, 568, 707, 710, 808, 994, 1006, 1010, 1136, 1414, 1420, 1616, 1988, 2012, 2020, 2485, 2515, 2828, 2840, 3521, 3535, 3976, 4024, 4040, 4970, 5030, 5656, 5680, 7042, 7070, 7171, 7952, 8048, 8080, 9940, 10060, 11312, 14084, 14140, 14342, 17605, 19880, 20120, 28168, 28280, 28684, 35210, 35713, 35855, 39760, 40240, 50197, 50803, 56336, 56560, 57368, 70420, 71426, 71710, 100394, 101606, 114736, 140840, 142852, 143420, 178565, 200788, 203212, 249991, 250985, 254015, 281680, 285704, 286840, 355621, 357130, 401576, 406424, 499982, 501970, 508030, 571408, 573680, 711242, 714260, 803152, 812848, 999964, 1003940, 1016060, 1249955, 1422484, 1428520, 1778105, 1999928, 2007880, 2032120, 2499910, 2844968, 2857040, 3556210, 3607013, 3999856, 4015760, 4064240, 4999820, 5689936, 7112420, 7214026, 9999640, 14224840, 14428052, 18035065, 19999280, 25249091, 28449680, 28856104, 36070130, 50498182, 57712208, 72140260, 100996364, 126245455, 144280520, 201992728, 252490910, 288561040, 403985456, 504981820, 1009963640, 2019927280]

約数ペア:

[(1, 2019927280), (2, 1009963640), (4, 504981820), (5, 403985456), (7, 288561040), (8, 252490910), (10, 201992728), (14, 144280520), (16, 126245455), (20, 100996364), (28, 72140260), (35, 57712208), (40, 50498182), (56, 36070130), (70, 28856104), (71, 28449680), (80, 25249091), (101, 19999280), (112, 18035065), (140, 14428052), (142, 14224840), (202, 9999640), (280, 7214026), (284, 7112420), (355, 5689936), (404, 4999820), (497, 4064240), (503, 4015760), (505, 3999856), (560, 3607013), (568, 3556210), (707, 2857040), (710, 2844968), (808, 2499910), (994, 2032120), (1006, 2007880), (1010, 1999928), (1136, 1778105), (1414, 1428520), (1420, 1422484), (1616, 1249955), (1988, 1016060), (2012, 1003940), (2020, 999964), (2485, 812848), (2515, 803152), (2828, 714260), (2840, 711242), (3521, 573680), (3535, 571408), (3976, 508030), (4024, 501970), (4040, 499982), (4970, 406424), (5030, 401576), (5656, 357130), (5680, 355621), (7042, 286840), (7070, 285704), (7171, 281680), (7952, 254015), (8048, 250985), (8080, 249991), (9940, 203212), (10060, 200788), (11312, 178565), (14084, 143420), (14140, 142852), (14342, 140840), (17605, 114736), (19880, 101606), (20120, 100394), (28168, 71710), (28280, 71426), (28684, 70420), (35210, 57368), (35713, 56560), (35855, 56336), (39760, 50803), (40240, 50197)]