243284720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{434437}}^1$

素因数の和:434457

約数の個数: 40

約数和(自身を含む): 646443744

約数和(自身を除く): 403159024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 434437, 868874, 1737748, 2172185, 3041059, 3475496, 4344370, 6082118, 6950992, 8688740, 12164236, 15205295, 17377480, 24328472, 30410590, 34754960, 48656944, 60821180, 121642360, 243284720]

約数ペア:

[(1, 243284720), (2, 121642360), (4, 60821180), (5, 48656944), (7, 34754960), (8, 30410590), (10, 24328472), (14, 17377480), (16, 15205295), (20, 12164236), (28, 8688740), (35, 6950992), (40, 6082118), (56, 4344370), (70, 3475496), (80, 3041059), (112, 2172185), (140, 1737748), (280, 868874), (560, 434437)]