8286740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5381}}^1$

素因数の和:5408

約数の個数: 48

約数和(自身を含む): 21700224

約数和(自身を除く): 13413484

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, 1540, 5381, 10762, 21524, 26905, 37667, 53810, 59191, 75334, 107620, 118382, 150668, 188335, 236764, 295955, 376670, 414337, 591910, 753340, 828674, 1183820, 1657348, 2071685, 4143370, 8286740]

約数ペア:

[(1, 8286740), (2, 4143370), (4, 2071685), (5, 1657348), (7, 1183820), (10, 828674), (11, 753340), (14, 591910), (20, 414337), (22, 376670), (28, 295955), (35, 236764), (44, 188335), (55, 150668), (70, 118382), (77, 107620), (110, 75334), (140, 59191), (154, 53810), (220, 37667), (308, 26905), (385, 21524), (770, 10762), (1540, 5381)]