3800020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{27143}}^1$

素因数の和:27159

約数の個数: 24

約数和(自身を含む): 9120384

約数和(自身を除く): 5320364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 27143, 54286, 108572, 135715, 190001, 271430, 380002, 542860, 760004, 950005, 1900010, 3800020]

約数ペア:

[(1, 3800020), (2, 1900010), (4, 950005), (5, 760004), (7, 542860), (10, 380002), (14, 271430), (20, 190001), (28, 135715), (35, 108572), (70, 54286), (140, 27143)]