1294139740

素因数分解:

$2^2\times 5^1\times {\mathrm{15193}}^1\times {\mathrm{4259}}^1$

素因数の和:19461

約数の個数: 24

約数和(自身を含む): 2718510480

約数和(自身を除く): 1424370740

約数列:

[1, 2, 4, 5, 10, 20, 4259, 8518, 15193, 17036, 21295, 30386, 42590, 60772, 75965, 85180, 151930, 303860, 64706987, 129413974, 258827948, 323534935, 647069870, 1294139740]

約数ペア:

[(1, 1294139740), (2, 647069870), (4, 323534935), (5, 258827948), (10, 129413974), (20, 64706987), (4259, 303860), (8518, 151930), (15193, 85180), (17036, 75965), (21295, 60772), (30386, 42590)]