611020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 1298304

約数和(自身を除く): 687284

約数列:

[1, 2, 4, 5, 10, 20, 137, 223, 274, 446, 548, 685, 892, 1115, 1370, 2230, 2740, 4460, 30551, 61102, 122204, 152755, 305510, 611020]

約数ペア:

[(1, 611020), (2, 305510), (4, 152755), (5, 122204), (10, 61102), (20, 30551), (137, 4460), (223, 2740), (274, 2230), (446, 1370), (548, 1115), (685, 892)]