27552140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17891}}^1$

素因数の和:17918

約数の個数: 48

約数和(自身を含む): 72140544

約数和(自身を除く): 44588404

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, 17891, 35782, 71564, 89455, 125237, 178910, 196801, 250474, 357820, 393602, 500948, 626185, 787204, 984005, 1252370, 1377607, 1968010, 2504740, 2755214, 3936020, 5510428, 6888035, 13776070, 27552140]

約数ペア:

[(1, 27552140), (2, 13776070), (4, 6888035), (5, 5510428), (7, 3936020), (10, 2755214), (11, 2504740), (14, 1968010), (20, 1377607), (22, 1252370), (28, 984005), (35, 787204), (44, 626185), (55, 500948), (70, 393602), (77, 357820), (110, 250474), (140, 196801), (154, 178910), (220, 125237), (308, 89455), (385, 71564), (770, 35782), (1540, 17891)]