30839660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81157}}^1$

素因数の和:81185

約数の個数: 24

約数和(自身を含む): 68172720

約数和(自身を除く): 37333060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81157, 162314, 324628, 405785, 811570, 1541983, 1623140, 3083966, 6167932, 7709915, 15419830, 30839660]

約数ペア:

[(1, 30839660), (2, 15419830), (4, 7709915), (5, 6167932), (10, 3083966), (19, 1623140), (20, 1541983), (38, 811570), (76, 405785), (95, 324628), (190, 162314), (380, 81157)]