489410

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:565

約数の個数: 16

約数和(自身を含む): 891000

約数和(自身を除く): 401590

約数列:

[1, 2, 5, 10, 109, 218, 449, 545, 898, 1090, 2245, 4490, 48941, 97882, 244705, 489410]

約数ペア:

[(1, 489410), (2, 244705), (5, 97882), (10, 48941), (109, 4490), (218, 2245), (449, 1090), (545, 898)]