8666420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 21036288

約数和(自身を除く): 12369868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 601, 721, 1030, 1202, 1442, 2060, 2404, 2884, 3005, 3605, 4207, 6010, 7210, 8414, 12020, 14420, 16828, 21035, 42070, 61903, 84140, 123806, 247612, 309515, 433321, 619030, 866642, 1238060, 1733284, 2166605, 4333210, 8666420]

約数ペア:

[(1, 8666420), (2, 4333210), (4, 2166605), (5, 1733284), (7, 1238060), (10, 866642), (14, 619030), (20, 433321), (28, 309515), (35, 247612), (70, 123806), (103, 84140), (140, 61903), (206, 42070), (412, 21035), (515, 16828), (601, 14420), (721, 12020), (1030, 8414), (1202, 7210), (1442, 6010), (2060, 4207), (2404, 3605), (2884, 3005)]