30879700

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2833}}^1$

素因数の和:2956

約数の個数: 36

約数和(自身を含む): 67647580

約数和(自身を除く): 36767880

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 2833, 5450, 5666, 10900, 11332, 14165, 28330, 56660, 70825, 141650, 283300, 308797, 617594, 1235188, 1543985, 3087970, 6175940, 7719925, 15439850, 30879700]

約数ペア:

[(1, 30879700), (2, 15439850), (4, 7719925), (5, 6175940), (10, 3087970), (20, 1543985), (25, 1235188), (50, 617594), (100, 308797), (109, 283300), (218, 141650), (436, 70825), (545, 56660), (1090, 28330), (2180, 14165), (2725, 11332), (2833, 10900), (5450, 5666)]