257880876

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 716421888

約数和(自身を除く): 458541012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 29, 33, 44, 46, 58, 66, 69, 87, 92, 101, 116, 132, 138, 174, 202, 253, 276, 303, 319, 348, 404, 506, 606, 638, 667, 759, 841, 957, 1012, 1111, 1212, 1276, 1334, 1518, 1682, 1914, 2001, 2222, 2323, 2523, 2668, 2929, 3036, 3333, 3364, 3828, 4002, 4444, 4646, 5046, 5858, 6666, 6969, 7337, 8004, 8787, 9251, 9292, 10092, 11716, 13332, 13938, 14674, 17574, 18502, 19343, 22011, 25553, 27753, 27876, 29348, 32219, 35148, 37004, 38686, 44022, 51106, 55506, 58029, 64438, 67367, 76659, 77372, 84941, 88044, 96657, 102212, 111012, 116058, 128876, 134734, 153318, 169882, 193314, 202101, 212773, 232116, 254823, 269468, 306636, 339764, 386628, 404202, 425546, 509646, 638319, 741037, 808404, 851092, 934351, 1019292, 1276638, 1482074, 1868702, 1953643, 2223111, 2553276, 2803053, 2964148, 3737404, 3907286, 4446222, 5606106, 5860929, 7814572, 8892444, 11212212, 11721858, 21490073, 23443716, 42980146, 64470219, 85960292, 128940438, 257880876]

約数ペア:

[(1, 257880876), (2, 128940438), (3, 85960292), (4, 64470219), (6, 42980146), (11, 23443716), (12, 21490073), (22, 11721858), (23, 11212212), (29, 8892444), (33, 7814572), (44, 5860929), (46, 5606106), (58, 4446222), (66, 3907286), (69, 3737404), (87, 2964148), (92, 2803053), (101, 2553276), (116, 2223111), (132, 1953643), (138, 1868702), (174, 1482074), (202, 1276638), (253, 1019292), (276, 934351), (303, 851092), (319, 808404), (348, 741037), (404, 638319), (506, 509646), (606, 425546), (638, 404202), (667, 386628), (759, 339764), (841, 306636), (957, 269468), (1012, 254823), (1111, 232116), (1212, 212773), (1276, 202101), (1334, 193314), (1518, 169882), (1682, 153318), (1914, 134734), (2001, 128876), (2222, 116058), (2323, 111012), (2523, 102212), (2668, 96657), (2929, 88044), (3036, 84941), (3333, 77372), (3364, 76659), (3828, 67367), (4002, 64438), (4444, 58029), (4646, 55506), (5046, 51106), (5858, 44022), (6666, 38686), (6969, 37004), (7337, 35148), (8004, 32219), (8787, 29348), (9251, 27876), (9292, 27753), (10092, 25553), (11716, 22011), (13332, 19343), (13938, 18502), (14674, 17574)]