29958820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78839}}^1$

素因数の和:78867

約数の個数: 24

約数和(自身を含む): 66225600

約数和(自身を除く): 36266780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 78839, 157678, 315356, 394195, 788390, 1497941, 1576780, 2995882, 5991764, 7489705, 14979410, 29958820]

約数ペア:

[(1, 29958820), (2, 14979410), (4, 7489705), (5, 5991764), (10, 2995882), (19, 1576780), (20, 1497941), (38, 788390), (76, 394195), (95, 315356), (190, 157678), (380, 78839)]