1558340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11131}}^1$

素因数の和:11147

約数の個数: 24

約数和(自身を含む): 3740352

約数和(自身を除く): 2182012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 11131, 22262, 44524, 55655, 77917, 111310, 155834, 222620, 311668, 389585, 779170, 1558340]

約数ペア:

[(1, 1558340), (2, 779170), (4, 389585), (5, 311668), (7, 222620), (10, 155834), (14, 111310), (20, 77917), (28, 55655), (35, 44524), (70, 22262), (140, 11131)]