557144840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1989803}}^1$

素因数の和:1989821

約数の個数: 32

約数和(自身を含む): 1432658880

約数和(自身を除く): 875514040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1989803, 3979606, 7959212, 9949015, 13928621, 15918424, 19898030, 27857242, 39796060, 55714484, 69643105, 79592120, 111428968, 139286210, 278572420, 557144840]

約数ペア:

[(1, 557144840), (2, 278572420), (4, 139286210), (5, 111428968), (7, 79592120), (8, 69643105), (10, 55714484), (14, 39796060), (20, 27857242), (28, 19898030), (35, 15918424), (40, 13928621), (56, 9949015), (70, 7959212), (140, 3979606), (280, 1989803)]