1521102940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{10865021}}^1$

素因数の和:10865037

約数の個数: 24

約数和(自身を含む): 3650647392

約数和(自身を除く): 2129544452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 10865021, 21730042, 43460084, 54325105, 76055147, 108650210, 152110294, 217300420, 304220588, 380275735, 760551470, 1521102940]

約数ペア:

[(1, 1521102940), (2, 760551470), (4, 380275735), (5, 304220588), (7, 217300420), (10, 152110294), (14, 108650210), (20, 76055147), (28, 54325105), (35, 43460084), (70, 21730042), (140, 10865021)]