138941820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{771899}}^1$

素因数の和:771914

約数の個数: 36

約数和(自身を含む): 421457400

約数和(自身を除く): 282515580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 771899, 1543798, 2315697, 3087596, 3859495, 4631394, 6947091, 7718990, 9262788, 11578485, 13894182, 15437980, 23156970, 27788364, 34735455, 46313940, 69470910, 138941820]

約数ペア:

[(1, 138941820), (2, 69470910), (3, 46313940), (4, 34735455), (5, 27788364), (6, 23156970), (9, 15437980), (10, 13894182), (12, 11578485), (15, 9262788), (18, 7718990), (20, 6947091), (30, 4631394), (36, 3859495), (45, 3087596), (60, 2315697), (90, 1543798), (180, 771899)]