215898340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1542131}}^1$

素因数の和:1542147

約数の個数: 24

約数和(自身を含む): 518156352

約数和(自身を除く): 302258012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1542131, 3084262, 6168524, 7710655, 10794917, 15421310, 21589834, 30842620, 43179668, 53974585, 107949170, 215898340]

約数ペア:

[(1, 215898340), (2, 107949170), (4, 53974585), (5, 43179668), (7, 30842620), (10, 21589834), (14, 15421310), (20, 10794917), (28, 7710655), (35, 6168524), (70, 3084262), (140, 1542131)]