1440670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1871}}^1$

素因数の和:1896

約数の個数: 32

約数和(自身を含む): 3234816

約数和(自身を除く): 1794146

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 1871, 3742, 9355, 13097, 18710, 20581, 26194, 41162, 65485, 102905, 130970, 144067, 205810, 288134, 720335, 1440670]

約数ペア:

[(1, 1440670), (2, 720335), (5, 288134), (7, 205810), (10, 144067), (11, 130970), (14, 102905), (22, 65485), (35, 41162), (55, 26194), (70, 20581), (77, 18710), (110, 13097), (154, 9355), (385, 3742), (770, 1871)]