208064920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{743089}}^1$

素因数の和:743107

約数の個数: 32

約数和(自身を含む): 535024800

約数和(自身を除く): 326959880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 743089, 1486178, 2972356, 3715445, 5201623, 5944712, 7430890, 10403246, 14861780, 20806492, 26008115, 29723560, 41612984, 52016230, 104032460, 208064920]

約数ペア:

[(1, 208064920), (2, 104032460), (4, 52016230), (5, 41612984), (7, 29723560), (8, 26008115), (10, 20806492), (14, 14861780), (20, 10403246), (28, 7430890), (35, 5944712), (40, 5201623), (56, 3715445), (70, 2972356), (140, 1486178), (280, 743089)]