211077280

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2039}}^1$

素因数の和:2701

約数の個数: 48

約数和(自身を含む): 499685760

約数和(自身を除く): 288608480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 1294, 2039, 2588, 3235, 4078, 5176, 6470, 8156, 10195, 10352, 12940, 16312, 20390, 20704, 25880, 32624, 40780, 51760, 65248, 81560, 103520, 163120, 326240, 1319233, 2638466, 5276932, 6596165, 10553864, 13192330, 21107728, 26384660, 42215456, 52769320, 105538640, 211077280]

約数ペア:

[(1, 211077280), (2, 105538640), (4, 52769320), (5, 42215456), (8, 26384660), (10, 21107728), (16, 13192330), (20, 10553864), (32, 6596165), (40, 5276932), (80, 2638466), (160, 1319233), (647, 326240), (1294, 163120), (2039, 103520), (2588, 81560), (3235, 65248), (4078, 51760), (5176, 40780), (6470, 32624), (8156, 25880), (10195, 20704), (10352, 20390), (12940, 16312)]