29978620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214133}}^1$

素因数の和:214149

約数の個数: 24

約数和(自身を含む): 71949024

約数和(自身を除く): 41970404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214133, 428266, 856532, 1070665, 1498931, 2141330, 2997862, 4282660, 5995724, 7494655, 14989310, 29978620]

約数ペア:

[(1, 29978620), (2, 14989310), (4, 7494655), (5, 5995724), (7, 4282660), (10, 2997862), (14, 2141330), (20, 1498931), (28, 1070665), (35, 856532), (70, 428266), (140, 214133)]