39400340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281431}}^1$

素因数の和:281447

約数の個数: 24

約数和(自身を含む): 94561152

約数和(自身を除く): 55160812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281431, 562862, 1125724, 1407155, 1970017, 2814310, 3940034, 5628620, 7880068, 9850085, 19700170, 39400340]

約数ペア:

[(1, 39400340), (2, 19700170), (4, 9850085), (5, 7880068), (7, 5628620), (10, 3940034), (14, 2814310), (20, 1970017), (28, 1407155), (35, 1125724), (70, 562862), (140, 281431)]