309421360

素因数分解:

$2^4\times 5^1\times {\mathrm{3867767}}^1$

素因数の和:3867780

約数の個数: 20

約数和(自身を含む): 719404848

約数和(自身を除く): 409983488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3867767, 7735534, 15471068, 19338835, 30942136, 38677670, 61884272, 77355340, 154710680, 309421360]

約数ペア:

[(1, 309421360), (2, 154710680), (4, 77355340), (5, 61884272), (8, 38677670), (10, 30942136), (16, 19338835), (20, 15471068), (40, 7735534), (80, 3867767)]