2045005180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 4582448640

約数和(自身を除く): 2537443460

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 167, 172, 215, 290, 334, 430, 491, 580, 668, 835, 860, 982, 1247, 1670, 1964, 2455, 2494, 3340, 4843, 4910, 4988, 6235, 7181, 9686, 9820, 12470, 14239, 14362, 19372, 21113, 24215, 24940, 28478, 28724, 35905, 42226, 48430, 56956, 71195, 71810, 81997, 84452, 96860, 105565, 142390, 143620, 163994, 208249, 211130, 284780, 327988, 409985, 416498, 422260, 612277, 819970, 832996, 1041245, 1224554, 1639940, 2082490, 2377913, 2449108, 3061385, 3525871, 4164980, 4755826, 6122770, 7051742, 9511652, 11889565, 12245540, 14103484, 17629355, 23779130, 35258710, 47558260, 70517420, 102250259, 204500518, 409001036, 511251295, 1022502590, 2045005180]

約数ペア:

[(1, 2045005180), (2, 1022502590), (4, 511251295), (5, 409001036), (10, 204500518), (20, 102250259), (29, 70517420), (43, 47558260), (58, 35258710), (86, 23779130), (116, 17629355), (145, 14103484), (167, 12245540), (172, 11889565), (215, 9511652), (290, 7051742), (334, 6122770), (430, 4755826), (491, 4164980), (580, 3525871), (668, 3061385), (835, 2449108), (860, 2377913), (982, 2082490), (1247, 1639940), (1670, 1224554), (1964, 1041245), (2455, 832996), (2494, 819970), (3340, 612277), (4843, 422260), (4910, 416498), (4988, 409985), (6235, 327988), (7181, 284780), (9686, 211130), (9820, 208249), (12470, 163994), (14239, 143620), (14362, 142390), (19372, 105565), (21113, 96860), (24215, 84452), (24940, 81997), (28478, 71810), (28724, 71195), (35905, 56956), (42226, 48430)]