420020728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{733}}^1\times {\mathrm{1747}}^1$

素因数の和:2527

約数の個数: 32

約数和(自身を含む): 808310160

約数和(自身を除く): 388289432

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 733, 1466, 1747, 2932, 3494, 5864, 6988, 13976, 30053, 60106, 71627, 120212, 143254, 240424, 286508, 573016, 1280551, 2561102, 5122204, 10244408, 52502591, 105005182, 210010364, 420020728]

約数ペア:

[(1, 420020728), (2, 210010364), (4, 105005182), (8, 52502591), (41, 10244408), (82, 5122204), (164, 2561102), (328, 1280551), (733, 573016), (1466, 286508), (1747, 240424), (2932, 143254), (3494, 120212), (5864, 71627), (6988, 60106), (13976, 30053)]