2018540440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{69991}}^1$

素因数の和:70112

約数の個数: 64

約数和(自身を含む): 5241000960

約数和(自身を除く): 3222460520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2884, 3605, 4120, 5768, 7210, 14420, 28840, 69991, 139982, 279964, 349955, 489937, 559928, 699910, 979874, 1399820, 1959748, 2449685, 2799640, 3919496, 4899370, 7209073, 9798740, 14418146, 19597480, 28836292, 36045365, 50463511, 57672584, 72090730, 100927022, 144181460, 201854044, 252317555, 288362920, 403708088, 504635110, 1009270220, 2018540440]

約数ペア:

[(1, 2018540440), (2, 1009270220), (4, 504635110), (5, 403708088), (7, 288362920), (8, 252317555), (10, 201854044), (14, 144181460), (20, 100927022), (28, 72090730), (35, 57672584), (40, 50463511), (56, 36045365), (70, 28836292), (103, 19597480), (140, 14418146), (206, 9798740), (280, 7209073), (412, 4899370), (515, 3919496), (721, 2799640), (824, 2449685), (1030, 1959748), (1442, 1399820), (2060, 979874), (2884, 699910), (3605, 559928), (4120, 489937), (5768, 349955), (7210, 279964), (14420, 139982), (28840, 69991)]