2012327380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{161503}}^1$

素因数の和:161608

約数の個数: 48

約数和(自身を含む): 4883880960

約数和(自身を除く): 2871553580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 161503, 323006, 646012, 807515, 1130521, 1615030, 2261042, 3230060, 4522084, 5652605, 11305210, 14373767, 22610420, 28747534, 57495068, 71868835, 100616369, 143737670, 201232738, 287475340, 402465476, 503081845, 1006163690, 2012327380]

約数ペア:

[(1, 2012327380), (2, 1006163690), (4, 503081845), (5, 402465476), (7, 287475340), (10, 201232738), (14, 143737670), (20, 100616369), (28, 71868835), (35, 57495068), (70, 28747534), (89, 22610420), (140, 14373767), (178, 11305210), (356, 5652605), (445, 4522084), (623, 3230060), (890, 2261042), (1246, 1615030), (1780, 1130521), (2492, 807515), (3115, 646012), (6230, 323006), (12460, 161503)]