30138220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{215273}}^1$

素因数の和:215289

約数の個数: 24

約数和(自身を含む): 72332064

約数和(自身を除く): 42193844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 215273, 430546, 861092, 1076365, 1506911, 2152730, 3013822, 4305460, 6027644, 7534555, 15069110, 30138220]

約数ペア:

[(1, 30138220), (2, 15069110), (4, 7534555), (5, 6027644), (7, 4305460), (10, 3013822), (14, 2152730), (20, 1506911), (28, 1076365), (35, 861092), (70, 430546), (140, 215273)]