128466940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{22381}}^1$

素因数の和:22438

約数の個数: 48

約数和(自身を含む): 315854784

約数和(自身を除く): 187387844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 22381, 44762, 89524, 111905, 156667, 223810, 313334, 447620, 626668, 783335, 917621, 1566670, 1835242, 3133340, 3670484, 4588105, 6423347, 9176210, 12846694, 18352420, 25693388, 32116735, 64233470, 128466940]

約数ペア:

[(1, 128466940), (2, 64233470), (4, 32116735), (5, 25693388), (7, 18352420), (10, 12846694), (14, 9176210), (20, 6423347), (28, 4588105), (35, 3670484), (41, 3133340), (70, 1835242), (82, 1566670), (140, 917621), (164, 783335), (205, 626668), (287, 447620), (410, 313334), (574, 223810), (820, 156667), (1148, 111905), (1435, 89524), (2870, 44762), (5740, 22381)]