490406570

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1\times {\mathrm{1151}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 892809216

約数和(自身を除く): 402402646

約数列:

[1, 2, 5, 10, 137, 274, 311, 622, 685, 1151, 1370, 1555, 2302, 3110, 5755, 11510, 42607, 85214, 157687, 213035, 315374, 357961, 426070, 715922, 788435, 1576870, 1789805, 3579610, 49040657, 98081314, 245203285, 490406570]

約数ペア:

[(1, 490406570), (2, 245203285), (5, 98081314), (10, 49040657), (137, 3579610), (274, 1789805), (311, 1576870), (622, 788435), (685, 715922), (1151, 426070), (1370, 357961), (1555, 315374), (2302, 213035), (3110, 157687), (5755, 85214), (11510, 42607)]