199117120

素因数分解:

$2^6\times 5^1\times {\mathrm{622241}}^1$

素因数の和:622258

約数の個数: 28

約数和(自身を含む): 474148404

約数和(自身を除く): 275031284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 622241, 1244482, 2488964, 3111205, 4977928, 6222410, 9955856, 12444820, 19911712, 24889640, 39823424, 49779280, 99558560, 199117120]

約数ペア:

[(1, 199117120), (2, 99558560), (4, 49779280), (5, 39823424), (8, 24889640), (10, 19911712), (16, 12444820), (20, 9955856), (32, 6222410), (40, 4977928), (64, 3111205), (80, 2488964), (160, 1244482), (320, 622241)]