298340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2131}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 716352

約数和(自身を除く): 418012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2131, 4262, 8524, 10655, 14917, 21310, 29834, 42620, 59668, 74585, 149170, 298340]

約数ペア:

[(1, 298340), (2, 149170), (4, 74585), (5, 59668), (7, 42620), (10, 29834), (14, 21310), (20, 14917), (28, 10655), (35, 8524), (70, 4262), (140, 2131)]