201801880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10151}}^1$

素因数の和:10240

約数の個数: 64

約数和(自身を含む): 526279680

約数和(自身を除く): 324477800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 10151, 19880, 20302, 40604, 50755, 71057, 81208, 101510, 142114, 203020, 284228, 355285, 406040, 568456, 710570, 720721, 1421140, 1441442, 2842280, 2882884, 3603605, 5045047, 5765768, 7207210, 10090094, 14414420, 20180188, 25225235, 28828840, 40360376, 50450470, 100900940, 201801880]

約数ペア:

[(1, 201801880), (2, 100900940), (4, 50450470), (5, 40360376), (7, 28828840), (8, 25225235), (10, 20180188), (14, 14414420), (20, 10090094), (28, 7207210), (35, 5765768), (40, 5045047), (56, 3603605), (70, 2882884), (71, 2842280), (140, 1441442), (142, 1421140), (280, 720721), (284, 710570), (355, 568456), (497, 406040), (568, 355285), (710, 284228), (994, 203020), (1420, 142114), (1988, 101510), (2485, 81208), (2840, 71057), (3976, 50755), (4970, 40604), (9940, 20302), (10151, 19880)]