155156980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{705259}}^1$

素因数の和:705279

約数の個数: 24

約数和(自身を含む): 355451040

約数和(自身を除く): 200294060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 705259, 1410518, 2821036, 3526295, 7052590, 7757849, 14105180, 15515698, 31031396, 38789245, 77578490, 155156980]

約数ペア:

[(1, 155156980), (2, 77578490), (4, 38789245), (5, 31031396), (10, 15515698), (11, 14105180), (20, 7757849), (22, 7052590), (44, 3526295), (55, 2821036), (110, 1410518), (220, 705259)]