72750020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519643}}^1$

素因数の和:519659

約数の個数: 24

約数和(自身を含む): 174600384

約数和(自身を除く): 101850364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519643, 1039286, 2078572, 2598215, 3637501, 5196430, 7275002, 10392860, 14550004, 18187505, 36375010, 72750020]

約数ペア:

[(1, 72750020), (2, 36375010), (4, 18187505), (5, 14550004), (7, 10392860), (10, 7275002), (14, 5196430), (20, 3637501), (28, 2598215), (35, 2078572), (70, 1039286), (140, 519643)]