1490667290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{199021}}^1$

素因数の和:199142

約数の個数: 32

約数和(自身を含む): 3095190144

約数和(自身を除く): 1604522854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 199021, 398042, 995105, 1393147, 1990210, 2786294, 6965735, 13931470, 21295247, 42590494, 106476235, 149066729, 212952470, 298133458, 745333645, 1490667290]

約数ペア:

[(1, 1490667290), (2, 745333645), (5, 298133458), (7, 212952470), (10, 149066729), (14, 106476235), (35, 42590494), (70, 21295247), (107, 13931470), (214, 6965735), (535, 2786294), (749, 1990210), (1070, 1393147), (1498, 995105), (3745, 398042), (7490, 199021)]