138670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{283}}^1$

素因数の和:304

約数の個数: 24

約数和(自身を含む): 291384

約数和(自身を除く): 152714

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 283, 490, 566, 1415, 1981, 2830, 3962, 9905, 13867, 19810, 27734, 69335, 138670]

約数ペア:

[(1, 138670), (2, 69335), (5, 27734), (7, 19810), (10, 13867), (14, 9905), (35, 3962), (49, 2830), (70, 1981), (98, 1415), (245, 566), (283, 490)]