30897460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{140443}}^1$

素因数の和:140463

約数の個数: 24

約数和(自身を含む): 70783776

約数和(自身を除く): 39886316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 140443, 280886, 561772, 702215, 1404430, 1544873, 2808860, 3089746, 6179492, 7724365, 15448730, 30897460]

約数ペア:

[(1, 30897460), (2, 15448730), (4, 7724365), (5, 6179492), (10, 3089746), (11, 2808860), (20, 1544873), (22, 1404430), (44, 702215), (55, 561772), (110, 280886), (220, 140443)]