30879820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90823}}^1$

素因数の和:90849

約数の個数: 24

約数和(自身を含む): 68662944

約数和(自身を除く): 37783124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 90823, 181646, 363292, 454115, 908230, 1543991, 1816460, 3087982, 6175964, 7719955, 15439910, 30879820]

約数ペア:

[(1, 30879820), (2, 15439910), (4, 7719955), (5, 6175964), (10, 3087982), (17, 1816460), (20, 1543991), (34, 908230), (68, 454115), (85, 363292), (170, 181646), (340, 90823)]