27536740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17881}}^1$

素因数の和:17908

約数の個数: 48

約数和(自身を含む): 72100224

約数和(自身を除く): 44563484

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, 17881, 35762, 71524, 89405, 125167, 178810, 196691, 250334, 357620, 393382, 500668, 625835, 786764, 983455, 1251670, 1376837, 1966910, 2503340, 2753674, 3933820, 5507348, 6884185, 13768370, 27536740]

約数ペア:

[(1, 27536740), (2, 13768370), (4, 6884185), (5, 5507348), (7, 3933820), (10, 2753674), (11, 2503340), (14, 1966910), (20, 1376837), (22, 1251670), (28, 983455), (35, 786764), (44, 625835), (55, 500668), (70, 393382), (77, 357620), (110, 250334), (140, 196691), (154, 178810), (220, 125167), (308, 89405), (385, 71524), (770, 35762), (1540, 17881)]