27904940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199321}}^1$

素因数の和:199337

約数の個数: 24

約数和(自身を含む): 66972192

約数和(自身を除く): 39067252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199321, 398642, 797284, 996605, 1395247, 1993210, 2790494, 3986420, 5580988, 6976235, 13952470, 27904940]

約数ペア:

[(1, 27904940), (2, 13952470), (4, 6976235), (5, 5580988), (7, 3986420), (10, 2790494), (14, 1993210), (20, 1395247), (28, 996605), (35, 797284), (70, 398642), (140, 199321)]