123886210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{252829}}^1$

素因数の和:252850

約数の個数: 24

約数和(自身を含む): 259403580

約数和(自身を除く): 135517370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 252829, 505658, 1264145, 1769803, 2528290, 3539606, 8849015, 12388621, 17698030, 24777242, 61943105, 123886210]

約数ペア:

[(1, 123886210), (2, 61943105), (5, 24777242), (7, 17698030), (10, 12388621), (14, 8849015), (35, 3539606), (49, 2528290), (70, 1769803), (98, 1264145), (245, 505658), (490, 252829)]