157030840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91297}}^1$

素因数の和:91351

約数の個数: 32

約数和(自身を含む): 361540080

約数和(自身を除く): 204509240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 91297, 182594, 365188, 456485, 730376, 912970, 1825940, 3651880, 3925771, 7851542, 15703084, 19628855, 31406168, 39257710, 78515420, 157030840]

約数ペア:

[(1, 157030840), (2, 78515420), (4, 39257710), (5, 31406168), (8, 19628855), (10, 15703084), (20, 7851542), (40, 3925771), (43, 3651880), (86, 1825940), (172, 912970), (215, 730376), (344, 456485), (430, 365188), (860, 182594), (1720, 91297)]