84140

素因数分解:

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

素因数の和:617

約数の個数: 24

約数和(自身を含む): 202272

約数和(自身を除く): 118132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 601, 1202, 2404, 3005, 4207, 6010, 8414, 12020, 16828, 21035, 42070, 84140]

約数ペア:

[(1, 84140), (2, 42070), (4, 21035), (5, 16828), (7, 12020), (10, 8414), (14, 6010), (20, 4207), (28, 3005), (35, 2404), (70, 1202), (140, 601)]