123454030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{251947}}^1$

素因数の和:251968

約数の個数: 24

約数和(自身を含む): 258498648

約数和(自身を除く): 135044618

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 251947, 503894, 1259735, 1763629, 2519470, 3527258, 8818145, 12345403, 17636290, 24690806, 61727015, 123454030]

約数ペア:

[(1, 123454030), (2, 61727015), (5, 24690806), (7, 17636290), (10, 12345403), (14, 8818145), (35, 3527258), (49, 2519470), (70, 1763629), (98, 1259735), (245, 503894), (490, 251947)]