445261880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1590221}}^1$

素因数の和:1590239

約数の個数: 32

約数和(自身を含む): 1144959840

約数和(自身を除く): 699697960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1590221, 3180442, 6360884, 7951105, 11131547, 12721768, 15902210, 22263094, 31804420, 44526188, 55657735, 63608840, 89052376, 111315470, 222630940, 445261880]

約数ペア:

[(1, 445261880), (2, 222630940), (4, 111315470), (5, 89052376), (7, 63608840), (8, 55657735), (10, 44526188), (14, 31804420), (20, 22263094), (28, 15902210), (35, 12721768), (40, 11131547), (56, 7951105), (70, 6360884), (140, 3180442), (280, 1590221)]