68839660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181157}}^1$

素因数の和:181185

約数の個数: 24

約数和(自身を含む): 152172720

約数和(自身を除く): 83333060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 181157, 362314, 724628, 905785, 1811570, 3441983, 3623140, 6883966, 13767932, 17209915, 34419830, 68839660]

約数ペア:

[(1, 68839660), (2, 34419830), (4, 17209915), (5, 13767932), (10, 6883966), (19, 3623140), (20, 3441983), (38, 1811570), (76, 905785), (95, 724628), (190, 362314), (380, 181157)]