208522180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1\times {\mathrm{1367}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 455051520

約数和(自身を除く): 246529340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 263, 290, 526, 580, 1052, 1315, 1367, 2630, 2734, 5260, 5468, 6835, 7627, 13670, 15254, 27340, 30508, 38135, 39643, 76270, 79286, 152540, 158572, 198215, 359521, 396430, 719042, 792860, 1438084, 1797605, 3595210, 7190420, 10426109, 20852218, 41704436, 52130545, 104261090, 208522180]

約数ペア:

[(1, 208522180), (2, 104261090), (4, 52130545), (5, 41704436), (10, 20852218), (20, 10426109), (29, 7190420), (58, 3595210), (116, 1797605), (145, 1438084), (263, 792860), (290, 719042), (526, 396430), (580, 359521), (1052, 198215), (1315, 158572), (1367, 152540), (2630, 79286), (2734, 76270), (5260, 39643), (5468, 38135), (6835, 30508), (7627, 27340), (13670, 15254)]