61260980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{278459}}^1$

素因数の和:278479

約数の個数: 24

約数和(自身を含む): 140343840

約数和(自身を除く): 79082860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 278459, 556918, 1113836, 1392295, 2784590, 3063049, 5569180, 6126098, 12252196, 15315245, 30630490, 61260980]

約数ペア:

[(1, 61260980), (2, 30630490), (4, 15315245), (5, 12252196), (10, 6126098), (11, 5569180), (20, 3063049), (22, 2784590), (44, 1392295), (55, 1113836), (110, 556918), (220, 278459)]