348500080

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6733}}^1$

素因数の和:7393

約数の個数: 40

約数和(自身を含む): 811635552

約数和(自身を除く): 463135472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 2588, 3235, 5176, 6470, 6733, 10352, 12940, 13466, 25880, 26932, 33665, 51760, 53864, 67330, 107728, 134660, 269320, 538640, 4356251, 8712502, 17425004, 21781255, 34850008, 43562510, 69700016, 87125020, 174250040, 348500080]

約数ペア:

[(1, 348500080), (2, 174250040), (4, 87125020), (5, 69700016), (8, 43562510), (10, 34850008), (16, 21781255), (20, 17425004), (40, 8712502), (80, 4356251), (647, 538640), (1294, 269320), (2588, 134660), (3235, 107728), (5176, 67330), (6470, 53864), (6733, 51760), (10352, 33665), (12940, 26932), (13466, 25880)]