217422860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{22051}}^1$

素因数の和:22106

約数の個数: 48

約数和(自身を含む): 500139360

約数和(自身を除く): 282716500

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 22051, 44102, 88204, 110255, 220510, 374867, 441020, 639479, 749734, 1278958, 1499468, 1874335, 2557916, 3197395, 3748670, 6394790, 7497340, 10871143, 12789580, 21742286, 43484572, 54355715, 108711430, 217422860]

約数ペア:

[(1, 217422860), (2, 108711430), (4, 54355715), (5, 43484572), (10, 21742286), (17, 12789580), (20, 10871143), (29, 7497340), (34, 6394790), (58, 3748670), (68, 3197395), (85, 2557916), (116, 1874335), (145, 1499468), (170, 1278958), (290, 749734), (340, 639479), (493, 441020), (580, 374867), (986, 220510), (1972, 110255), (2465, 88204), (4930, 44102), (9860, 22051)]