72140005

素因数分解:

$5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{563}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 101073312

約数和(自身を除く): 28933307

約数列:

[1, 5, 7, 35, 49, 245, 523, 563, 2615, 2815, 3661, 3941, 18305, 19705, 25627, 27587, 128135, 137935, 294449, 1472245, 2061143, 10305715, 14428001, 72140005]

約数ペア:

[(1, 72140005), (5, 14428001), (7, 10305715), (35, 2061143), (49, 1472245), (245, 294449), (523, 137935), (563, 128135), (2615, 27587), (2815, 25627), (3661, 19705), (3941, 18305)]