30251860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13877}}^1$

素因数の和:13995

約数の個数: 24

約数和(自身を含む): 64116360

約数和(自身を除く): 33864500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13877, 27754, 55508, 69385, 138770, 277540, 1512593, 3025186, 6050372, 7562965, 15125930, 30251860]

約数ペア:

[(1, 30251860), (2, 15125930), (4, 7562965), (5, 6050372), (10, 3025186), (20, 1512593), (109, 277540), (218, 138770), (436, 69385), (545, 55508), (1090, 27754), (2180, 13877)]