486140

素因数分解:

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

素因数の和:341

約数の個数: 24

約数和(自身を含む): 1034880

約数和(自身を除く): 548740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 223, 436, 446, 545, 892, 1090, 1115, 2180, 2230, 4460, 24307, 48614, 97228, 121535, 243070, 486140]

約数ペア:

[(1, 486140), (2, 243070), (4, 121535), (5, 97228), (10, 48614), (20, 24307), (109, 4460), (218, 2230), (223, 2180), (436, 1115), (446, 1090), (545, 892)]