289901080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1035361}}^1$

素因数の和:1035379

約数の個数: 32

約数和(自身を含む): 745460640

約数和(自身を除く): 455559560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1035361, 2070722, 4141444, 5176805, 7247527, 8282888, 10353610, 14495054, 20707220, 28990108, 36237635, 41414440, 57980216, 72475270, 144950540, 289901080]

約数ペア:

[(1, 289901080), (2, 144950540), (4, 72475270), (5, 57980216), (7, 41414440), (8, 36237635), (10, 28990108), (14, 20707220), (20, 14495054), (28, 10353610), (35, 8282888), (40, 7247527), (56, 5176805), (70, 4141444), (140, 2070722), (280, 1035361)]