205430260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1467359}}^1$

素因数の和:1467375

約数の個数: 24

約数和(自身を含む): 493032960

約数和(自身を除く): 287602700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1467359, 2934718, 5869436, 7336795, 10271513, 14673590, 20543026, 29347180, 41086052, 51357565, 102715130, 205430260]

約数ペア:

[(1, 205430260), (2, 102715130), (4, 51357565), (5, 41086052), (7, 29347180), (10, 20543026), (14, 14673590), (20, 10271513), (28, 7336795), (35, 5869436), (70, 2934718), (140, 1467359)]