720192728

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{499}}^1\times {\mathrm{6221}}^1$

素因数の和:6755

約数の個数: 32

約数和(自身を含む): 1399950000

約数和(自身を除く): 679757272

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 499, 998, 1996, 3992, 6221, 12442, 14471, 24884, 28942, 49768, 57884, 115768, 180409, 360818, 721636, 1443272, 3104279, 6208558, 12417116, 24834232, 90024091, 180048182, 360096364, 720192728]

約数ペア:

[(1, 720192728), (2, 360096364), (4, 180048182), (8, 90024091), (29, 24834232), (58, 12417116), (116, 6208558), (232, 3104279), (499, 1443272), (998, 721636), (1996, 360818), (3992, 180409), (6221, 115768), (12442, 57884), (14471, 49768), (24884, 28942)]