421998220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3014273}}^1$

素因数の和:3014289

約数の個数: 24

約数和(自身を含む): 1012796064

約数和(自身を除く): 590797844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3014273, 6028546, 12057092, 15071365, 21099911, 30142730, 42199822, 60285460, 84399644, 105499555, 210999110, 421998220]

約数ペア:

[(1, 421998220), (2, 210999110), (4, 105499555), (5, 84399644), (7, 60285460), (10, 42199822), (14, 30142730), (20, 21099911), (28, 15071365), (35, 12057092), (70, 6028546), (140, 3014273)]