308959480

素因数分解:

$2^3\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{3701}}^1$

素因数の和:5799

約数の個数: 32

約数和(自身を含む): 695679840

約数和(自身を除く): 386720360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2087, 3701, 4174, 7402, 8348, 10435, 14804, 16696, 18505, 20870, 29608, 37010, 41740, 74020, 83480, 148040, 7723987, 15447974, 30895948, 38619935, 61791896, 77239870, 154479740, 308959480]

約数ペア:

[(1, 308959480), (2, 154479740), (4, 77239870), (5, 61791896), (8, 38619935), (10, 30895948), (20, 15447974), (40, 7723987), (2087, 148040), (3701, 83480), (4174, 74020), (7402, 41740), (8348, 37010), (10435, 29608), (14804, 20870), (16696, 18505)]