66601180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 142813440

約数和(自身を除く): 76212260

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 223, 274, 436, 446, 545, 548, 685, 892, 1090, 1115, 1370, 2180, 2230, 2740, 4460, 14933, 24307, 29866, 30551, 48614, 59732, 61102, 74665, 97228, 121535, 122204, 149330, 152755, 243070, 298660, 305510, 486140, 611020, 3330059, 6660118, 13320236, 16650295, 33300590, 66601180]

約数ペア:

[(1, 66601180), (2, 33300590), (4, 16650295), (5, 13320236), (10, 6660118), (20, 3330059), (109, 611020), (137, 486140), (218, 305510), (223, 298660), (274, 243070), (436, 152755), (446, 149330), (545, 122204), (548, 121535), (685, 97228), (892, 74665), (1090, 61102), (1115, 59732), (1370, 48614), (2180, 30551), (2230, 29866), (2740, 24307), (4460, 14933)]