280481984

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{769}}^1$

素因数の和:961

約数の個数: 56

約数和(自身を含む): 575005200

約数和(自身を除く): 294523216

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 139, 164, 278, 328, 556, 656, 769, 1112, 1312, 1538, 2224, 2624, 3076, 4448, 5699, 6152, 8896, 11398, 12304, 22796, 24608, 31529, 45592, 49216, 63058, 91184, 106891, 126116, 182368, 213782, 252232, 364736, 427564, 504464, 855128, 1008928, 1710256, 2017856, 3420512, 4382531, 6841024, 8765062, 17530124, 35060248, 70120496, 140240992, 280481984]

約数ペア:

[(1, 280481984), (2, 140240992), (4, 70120496), (8, 35060248), (16, 17530124), (32, 8765062), (41, 6841024), (64, 4382531), (82, 3420512), (139, 2017856), (164, 1710256), (278, 1008928), (328, 855128), (556, 504464), (656, 427564), (769, 364736), (1112, 252232), (1312, 213782), (1538, 182368), (2224, 126116), (2624, 106891), (3076, 91184), (4448, 63058), (5699, 49216), (6152, 45592), (8896, 31529), (11398, 24608), (12304, 22796)]