69378820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{495563}}^1$

素因数の和:495579

約数の個数: 24

約数和(自身を含む): 166509504

約数和(自身を除く): 97130684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 495563, 991126, 1982252, 2477815, 3468941, 4955630, 6937882, 9911260, 13875764, 17344705, 34689410, 69378820]

約数ペア:

[(1, 69378820), (2, 34689410), (4, 17344705), (5, 13875764), (7, 9911260), (10, 6937882), (14, 4955630), (20, 3468941), (28, 2477815), (35, 1982252), (70, 991126), (140, 495563)]