1356740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{881}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 3556224

約数和(自身を除く): 2199484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 881, 1540, 1762, 3524, 4405, 6167, 8810, 9691, 12334, 17620, 19382, 24668, 30835, 38764, 48455, 61670, 67837, 96910, 123340, 135674, 193820, 271348, 339185, 678370, 1356740]

約数ペア:

[(1, 1356740), (2, 678370), (4, 339185), (5, 271348), (7, 193820), (10, 135674), (11, 123340), (14, 96910), (20, 67837), (22, 61670), (28, 48455), (35, 38764), (44, 30835), (55, 24668), (70, 19382), (77, 17620), (110, 12334), (140, 9691), (154, 8810), (220, 6167), (308, 4405), (385, 3524), (770, 1762), (881, 1540)]