289310780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1315049}}^1$

素因数の和:1315069

約数の個数: 24

約数和(自身を含む): 662785200

約数和(自身を除く): 373474420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1315049, 2630098, 5260196, 6575245, 13150490, 14465539, 26300980, 28931078, 57862156, 72327695, 144655390, 289310780]

約数ペア:

[(1, 289310780), (2, 144655390), (4, 72327695), (5, 57862156), (10, 28931078), (11, 26300980), (20, 14465539), (22, 13150490), (44, 6575245), (55, 5260196), (110, 2630098), (220, 1315049)]