1940605660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{729551}}^1$

素因数の和:729586

約数の個数: 48

約数和(自身を含む): 4902589440

約数和(自身を除く): 2961983780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 729551, 1459102, 2918204, 3647755, 5106857, 7295510, 10213714, 13861469, 14591020, 20427428, 25534285, 27722938, 51068570, 55445876, 69307345, 97030283, 102137140, 138614690, 194060566, 277229380, 388121132, 485151415, 970302830, 1940605660]

約数ペア:

[(1, 1940605660), (2, 970302830), (4, 485151415), (5, 388121132), (7, 277229380), (10, 194060566), (14, 138614690), (19, 102137140), (20, 97030283), (28, 69307345), (35, 55445876), (38, 51068570), (70, 27722938), (76, 25534285), (95, 20427428), (133, 14591020), (140, 13861469), (190, 10213714), (266, 7295510), (380, 5106857), (532, 3647755), (665, 2918204), (1330, 1459102), (2660, 729551)]