11861780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 28680960

約数和(自身を除く): 16819180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 439, 772, 878, 965, 1351, 1756, 1930, 2195, 2702, 3073, 3860, 4390, 5404, 6146, 6755, 8780, 12292, 13510, 15365, 27020, 30730, 61460, 84727, 169454, 338908, 423635, 593089, 847270, 1186178, 1694540, 2372356, 2965445, 5930890, 11861780]

約数ペア:

[(1, 11861780), (2, 5930890), (4, 2965445), (5, 2372356), (7, 1694540), (10, 1186178), (14, 847270), (20, 593089), (28, 423635), (35, 338908), (70, 169454), (140, 84727), (193, 61460), (386, 30730), (439, 27020), (772, 15365), (878, 13510), (965, 12292), (1351, 8780), (1756, 6755), (1930, 6146), (2195, 5404), (2702, 4390), (3073, 3860)]