289781968

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 690108608

約数和(自身を除く): 400326640

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 67, 73, 92, 112, 134, 146, 161, 184, 268, 292, 322, 368, 469, 511, 529, 536, 584, 644, 938, 1022, 1058, 1072, 1168, 1288, 1541, 1679, 1876, 2044, 2116, 2576, 3082, 3358, 3703, 3752, 4088, 4232, 4891, 6164, 6716, 7406, 7504, 8176, 8464, 9782, 10787, 11753, 12328, 13432, 14812, 19564, 21574, 23506, 24656, 26864, 29624, 34237, 35443, 38617, 39128, 43148, 47012, 59248, 68474, 70886, 77234, 78256, 86296, 94024, 112493, 136948, 141772, 154468, 172592, 188048, 224986, 248101, 270319, 273896, 283544, 308936, 449972, 496202, 540638, 547792, 567088, 617872, 787451, 899944, 992404, 1081276, 1574902, 1799888, 1984808, 2162552, 2587339, 3149804, 3969616, 4325104, 5174678, 6299608, 10349356, 12599216, 18111373, 20698712, 36222746, 41397424, 72445492, 144890984, 289781968]

約数ペア:

[(1, 289781968), (2, 144890984), (4, 72445492), (7, 41397424), (8, 36222746), (14, 20698712), (16, 18111373), (23, 12599216), (28, 10349356), (46, 6299608), (56, 5174678), (67, 4325104), (73, 3969616), (92, 3149804), (112, 2587339), (134, 2162552), (146, 1984808), (161, 1799888), (184, 1574902), (268, 1081276), (292, 992404), (322, 899944), (368, 787451), (469, 617872), (511, 567088), (529, 547792), (536, 540638), (584, 496202), (644, 449972), (938, 308936), (1022, 283544), (1058, 273896), (1072, 270319), (1168, 248101), (1288, 224986), (1541, 188048), (1679, 172592), (1876, 154468), (2044, 141772), (2116, 136948), (2576, 112493), (3082, 94024), (3358, 86296), (3703, 78256), (3752, 77234), (4088, 70886), (4232, 68474), (4891, 59248), (6164, 47012), (6716, 43148), (7406, 39128), (7504, 38617), (8176, 35443), (8464, 34237), (9782, 29624), (10787, 26864), (11753, 24656), (12328, 23506), (13432, 21574), (14812, 19564)]