28202860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201449}}^1$

素因数の和:201465

約数の個数: 24

約数和(自身を含む): 67687200

約数和(自身を除く): 39484340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201449, 402898, 805796, 1007245, 1410143, 2014490, 2820286, 4028980, 5640572, 7050715, 14101430, 28202860]

約数ペア:

[(1, 28202860), (2, 14101430), (4, 7050715), (5, 5640572), (7, 4028980), (10, 2820286), (14, 2014490), (20, 1410143), (28, 1007245), (35, 805796), (70, 402898), (140, 201449)]