78724870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{160663}}^1$

素因数の和:160684

約数の個数: 24

約数和(自身を含む): 164841264

約数和(自身を除く): 86116394

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 160663, 321326, 803315, 1124641, 1606630, 2249282, 5623205, 7872487, 11246410, 15744974, 39362435, 78724870]

約数ペア:

[(1, 78724870), (2, 39362435), (5, 15744974), (7, 11246410), (10, 7872487), (14, 5623205), (35, 2249282), (49, 1606630), (70, 1124641), (98, 803315), (245, 321326), (490, 160663)]