157628540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{183289}}^1$

素因数の和:183341

約数の個数: 24

約数和(自身を含む): 338719920

約数和(自身を除く): 181091380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 183289, 366578, 733156, 916445, 1832890, 3665780, 7881427, 15762854, 31525708, 39407135, 78814270, 157628540]

約数ペア:

[(1, 157628540), (2, 78814270), (4, 39407135), (5, 31525708), (10, 15762854), (20, 7881427), (43, 3665780), (86, 1832890), (172, 916445), (215, 733156), (430, 366578), (860, 183289)]