280715131564

素因数分解:

$2^2\times 7^2\times {\mathrm{479}}^1\times {\mathrm{2990021}}^1$

素因数の和:2990518

約数の個数: 36

約数和(自身を含む): 572649013440

約数和(自身を除く): 291933881876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 479, 958, 1916, 3353, 6706, 13412, 23471, 46942, 93884, 2990021, 5980042, 11960084, 20930147, 41860294, 83720588, 146511029, 293022058, 586044116, 1432220059, 2864440118, 5728880236, 10025540413, 20051080826, 40102161652, 70178782891, 140357565782, 280715131564]

約数ペア:

[(1, 280715131564), (2, 140357565782), (4, 70178782891), (7, 40102161652), (14, 20051080826), (28, 10025540413), (49, 5728880236), (98, 2864440118), (196, 1432220059), (479, 586044116), (958, 293022058), (1916, 146511029), (3353, 83720588), (6706, 41860294), (13412, 20930147), (23471, 11960084), (46942, 5980042), (93884, 2990021)]