122257820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^2\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 259461720

約数和(自身を除く): 137203900

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 379, 508, 635, 758, 1270, 1516, 1895, 2540, 3790, 7580, 16129, 32258, 48133, 64516, 80645, 96266, 161290, 192532, 240665, 322580, 481330, 962660, 6112891, 12225782, 24451564, 30564455, 61128910, 122257820]

約数ペア:

[(1, 122257820), (2, 61128910), (4, 30564455), (5, 24451564), (10, 12225782), (20, 6112891), (127, 962660), (254, 481330), (379, 322580), (508, 240665), (635, 192532), (758, 161290), (1270, 96266), (1516, 80645), (1895, 64516), (2540, 48133), (3790, 32258), (7580, 16129)]