140808280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3907}}^1$

素因数の和:3988

約数の個数: 64

約数和(自身を含む): 341871840

約数和(自身を除く): 201063560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 3907, 4505, 7208, 7814, 9010, 15628, 18020, 19535, 31256, 36040, 39070, 66419, 78140, 132838, 156280, 207071, 265676, 332095, 414142, 531352, 664190, 828284, 1035355, 1328380, 1656568, 2070710, 2656760, 3520207, 4141420, 7040414, 8282840, 14080828, 17601035, 28161656, 35202070, 70404140, 140808280]

約数ペア:

[(1, 140808280), (2, 70404140), (4, 35202070), (5, 28161656), (8, 17601035), (10, 14080828), (17, 8282840), (20, 7040414), (34, 4141420), (40, 3520207), (53, 2656760), (68, 2070710), (85, 1656568), (106, 1328380), (136, 1035355), (170, 828284), (212, 664190), (265, 531352), (340, 414142), (424, 332095), (530, 265676), (680, 207071), (901, 156280), (1060, 132838), (1802, 78140), (2120, 66419), (3604, 39070), (3907, 36040), (4505, 31256), (7208, 19535), (7814, 18020), (9010, 15628)]