289608220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1316401}}^1$

素因数の和:1316421

約数の個数: 24

約数和(自身を含む): 663466608

約数和(自身を除く): 373858388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1316401, 2632802, 5265604, 6582005, 13164010, 14480411, 26328020, 28960822, 57921644, 72402055, 144804110, 289608220]

約数ペア:

[(1, 289608220), (2, 144804110), (4, 72402055), (5, 57921644), (10, 28960822), (11, 26328020), (20, 14480411), (22, 13164010), (44, 6582005), (55, 5265604), (110, 2632802), (220, 1316401)]