249674920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1151}}^1$

素因数の和:1219

約数の個数: 128

約数和(自身を含む): 671846400

約数和(自身を除く): 422171480

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, 440, 493, 580, 638, 680, 748, 935, 986, 1151, 1160, 1276, 1496, 1595, 1870, 1972, 2302, 2465, 2552, 3190, 3740, 3944, 4604, 4930, 5423, 5755, 6380, 7480, 9208, 9860, 10846, 11510, 12661, 12760, 19567, 19720, 21692, 23020, 25322, 27115, 33379, 39134, 43384, 46040, 50644, 54230, 63305, 66758, 78268, 97835, 101288, 108460, 126610, 133516, 156536, 166895, 195670, 215237, 216920, 253220, 267032, 333790, 367169, 391340, 430474, 506440, 567443, 667580, 734338, 782680, 860948, 1076185, 1134886, 1335160, 1468676, 1721896, 1835845, 2152370, 2269772, 2837215, 2937352, 3671690, 4304740, 4539544, 5674430, 6241873, 7343380, 8609480, 11348860, 12483746, 14686760, 22697720, 24967492, 31209365, 49934984, 62418730, 124837460, 249674920]

約数ペア:

[(1, 249674920), (2, 124837460), (4, 62418730), (5, 49934984), (8, 31209365), (10, 24967492), (11, 22697720), (17, 14686760), (20, 12483746), (22, 11348860), (29, 8609480), (34, 7343380), (40, 6241873), (44, 5674430), (55, 4539544), (58, 4304740), (68, 3671690), (85, 2937352), (88, 2837215), (110, 2269772), (116, 2152370), (136, 1835845), (145, 1721896), (170, 1468676), (187, 1335160), (220, 1134886), (232, 1076185), (290, 860948), (319, 782680), (340, 734338), (374, 667580), (440, 567443), (493, 506440), (580, 430474), (638, 391340), (680, 367169), (748, 333790), (935, 267032), (986, 253220), (1151, 216920), (1160, 215237), (1276, 195670), (1496, 166895), (1595, 156536), (1870, 133516), (1972, 126610), (2302, 108460), (2465, 101288), (2552, 97835), (3190, 78268), (3740, 66758), (3944, 63305), (4604, 54230), (4930, 50644), (5423, 46040), (5755, 43384), (6380, 39134), (7480, 33379), (9208, 27115), (9860, 25322), (10846, 23020), (11510, 21692), (12661, 19720), (12760, 19567)]