8958740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{719}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 12814060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 719, 890, 1246, 1438, 1780, 2492, 2876, 3115, 3595, 5033, 6230, 7190, 10066, 12460, 14380, 20132, 25165, 50330, 63991, 100660, 127982, 255964, 319955, 447937, 639910, 895874, 1279820, 1791748, 2239685, 4479370, 8958740]

約数ペア:

[(1, 8958740), (2, 4479370), (4, 2239685), (5, 1791748), (7, 1279820), (10, 895874), (14, 639910), (20, 447937), (28, 319955), (35, 255964), (70, 127982), (89, 100660), (140, 63991), (178, 50330), (356, 25165), (445, 20132), (623, 14380), (719, 12460), (890, 10066), (1246, 7190), (1438, 6230), (1780, 5033), (2492, 3595), (2876, 3115)]