2100000055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1\times {\mathrm{967}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 2766234240

約数和(自身を除く): 666234185

約数列:

[1, 5, 17, 29, 85, 145, 493, 881, 967, 2465, 4405, 4835, 14977, 16439, 25549, 28043, 74885, 82195, 127745, 140215, 434333, 476731, 851927, 2171665, 2383655, 4259635, 14482759, 24705883, 72413795, 123529415, 420000011, 2100000055]

約数ペア:

[(1, 2100000055), (5, 420000011), (17, 123529415), (29, 72413795), (85, 24705883), (145, 14482759), (493, 4259635), (881, 2383655), (967, 2171665), (2465, 851927), (4405, 476731), (4835, 434333), (14977, 140215), (16439, 127745), (25549, 82195), (28043, 74885)]