972280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 2217600

約数和(自身を除く): 1245320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 223, 436, 446, 545, 872, 892, 1090, 1115, 1784, 2180, 2230, 4360, 4460, 8920, 24307, 48614, 97228, 121535, 194456, 243070, 486140, 972280]

約数ペア:

[(1, 972280), (2, 486140), (4, 243070), (5, 194456), (8, 121535), (10, 97228), (20, 48614), (40, 24307), (109, 8920), (218, 4460), (223, 4360), (436, 2230), (446, 2180), (545, 1784), (872, 1115), (892, 1090)]