147037640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{85487}}^1$

素因数の和:85541

約数の個数: 32

約数和(自身を含む): 338532480

約数和(自身を除く): 191494840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 85487, 170974, 341948, 427435, 683896, 854870, 1709740, 3419480, 3675941, 7351882, 14703764, 18379705, 29407528, 36759410, 73518820, 147037640]

約数ペア:

[(1, 147037640), (2, 73518820), (4, 36759410), (5, 29407528), (8, 18379705), (10, 14703764), (20, 7351882), (40, 3675941), (43, 3419480), (86, 1709740), (172, 854870), (215, 683896), (344, 427435), (430, 341948), (860, 170974), (1720, 85487)]