378703840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{18637}}^1$

素因数の和:18779

約数の個数: 48

約数和(自身を含む): 901780992

約数和(自身を除く): 523077152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 10160, 18637, 20320, 37274, 74548, 93185, 149096, 186370, 298192, 372740, 596384, 745480, 1490960, 2366899, 2981920, 4733798, 9467596, 11834495, 18935192, 23668990, 37870384, 47337980, 75740768, 94675960, 189351920, 378703840]

約数ペア:

[(1, 378703840), (2, 189351920), (4, 94675960), (5, 75740768), (8, 47337980), (10, 37870384), (16, 23668990), (20, 18935192), (32, 11834495), (40, 9467596), (80, 4733798), (127, 2981920), (160, 2366899), (254, 1490960), (508, 745480), (635, 596384), (1016, 372740), (1270, 298192), (2032, 186370), (2540, 149096), (4064, 93185), (5080, 74548), (10160, 37274), (18637, 20320)]