27809180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198637}}^1$

素因数の和:198653

約数の個数: 24

約数和(自身を含む): 66742368

約数和(自身を除く): 38933188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198637, 397274, 794548, 993185, 1390459, 1986370, 2780918, 3972740, 5561836, 6952295, 13904590, 27809180]

約数ペア:

[(1, 27809180), (2, 13904590), (4, 6952295), (5, 5561836), (7, 3972740), (10, 2780918), (14, 1986370), (20, 1390459), (28, 993185), (35, 794548), (70, 397274), (140, 198637)]