312409820

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{11311}}^1$

素因数の和:12701

約数の個数: 24

約数和(自身を含む): 656593728

約数和(自身を除く): 344183908

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2762, 5524, 6905, 11311, 13810, 22622, 27620, 45244, 56555, 113110, 226220, 15620491, 31240982, 62481964, 78102455, 156204910, 312409820]

約数ペア:

[(1, 312409820), (2, 156204910), (4, 78102455), (5, 62481964), (10, 31240982), (20, 15620491), (1381, 226220), (2762, 113110), (5524, 56555), (6905, 45244), (11311, 27620), (13810, 22622)]