86984920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 128

約数和(自身を含む): 234446400

約数和(自身を除く): 147461480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 85, 88, 110, 116, 136, 145, 170, 187, 220, 232, 290, 319, 340, 374, 401, 440, 493, 580, 638, 680, 748, 802, 935, 986, 1160, 1276, 1496, 1595, 1604, 1870, 1972, 2005, 2465, 2552, 3190, 3208, 3740, 3944, 4010, 4411, 4930, 5423, 6380, 6817, 7480, 8020, 8822, 9860, 10846, 11629, 12760, 13634, 16040, 17644, 19720, 21692, 22055, 23258, 27115, 27268, 34085, 35288, 43384, 44110, 46516, 54230, 54536, 58145, 68170, 74987, 88220, 93032, 108460, 116290, 127919, 136340, 149974, 176440, 197693, 216920, 232580, 255838, 272680, 299948, 374935, 395386, 465160, 511676, 599896, 639595, 749870, 790772, 988465, 1023352, 1279190, 1499740, 1581544, 1976930, 2174623, 2558380, 2999480, 3953860, 4349246, 5116760, 7907720, 8698492, 10873115, 17396984, 21746230, 43492460, 86984920]

約数ペア:

[(1, 86984920), (2, 43492460), (4, 21746230), (5, 17396984), (8, 10873115), (10, 8698492), (11, 7907720), (17, 5116760), (20, 4349246), (22, 3953860), (29, 2999480), (34, 2558380), (40, 2174623), (44, 1976930), (55, 1581544), (58, 1499740), (68, 1279190), (85, 1023352), (88, 988465), (110, 790772), (116, 749870), (136, 639595), (145, 599896), (170, 511676), (187, 465160), (220, 395386), (232, 374935), (290, 299948), (319, 272680), (340, 255838), (374, 232580), (401, 216920), (440, 197693), (493, 176440), (580, 149974), (638, 136340), (680, 127919), (748, 116290), (802, 108460), (935, 93032), (986, 88220), (1160, 74987), (1276, 68170), (1496, 58145), (1595, 54536), (1604, 54230), (1870, 46516), (1972, 44110), (2005, 43384), (2465, 35288), (2552, 34085), (3190, 27268), (3208, 27115), (3740, 23258), (3944, 22055), (4010, 21692), (4411, 19720), (4930, 17644), (5423, 16040), (6380, 13634), (6817, 12760), (7480, 11629), (8020, 10846), (8822, 9860)]