42686140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{304901}}^1$

素因数の和:304917

約数の個数: 24

約数和(自身を含む): 102447072

約数和(自身を除く): 59760932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 304901, 609802, 1219604, 1524505, 2134307, 3049010, 4268614, 6098020, 8537228, 10671535, 21343070, 42686140]

約数ペア:

[(1, 42686140), (2, 21343070), (4, 10671535), (5, 8537228), (7, 6098020), (10, 4268614), (14, 3049010), (20, 2134307), (28, 1524505), (35, 1219604), (70, 609802), (140, 304901)]