30191380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79451}}^1$

素因数の和:79479

約数の個数: 24

約数和(自身を含む): 66739680

約数和(自身を除く): 36548300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 79451, 158902, 317804, 397255, 794510, 1509569, 1589020, 3019138, 6038276, 7547845, 15095690, 30191380]

約数ペア:

[(1, 30191380), (2, 15095690), (4, 7547845), (5, 6038276), (10, 3019138), (19, 1589020), (20, 1509569), (38, 794510), (76, 397255), (95, 317804), (190, 158902), (380, 79451)]