2126740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 5572224

約数和(自身を除く): 3445484

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, 1381, 1540, 2762, 5524, 6905, 9667, 13810, 15191, 19334, 27620, 30382, 38668, 48335, 60764, 75955, 96670, 106337, 151910, 193340, 212674, 303820, 425348, 531685, 1063370, 2126740]

約数ペア:

[(1, 2126740), (2, 1063370), (4, 531685), (5, 425348), (7, 303820), (10, 212674), (11, 193340), (14, 151910), (20, 106337), (22, 96670), (28, 75955), (35, 60764), (44, 48335), (55, 38668), (70, 30382), (77, 27620), (110, 19334), (140, 15191), (154, 13810), (220, 9667), (308, 6905), (385, 5524), (770, 2762), (1381, 1540)]