209310680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{78101}}^1$

素因数の和:78179

約数の個数: 32

約数和(自身を含む): 477984240

約数和(自身を除く): 268673560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 78101, 156202, 312404, 390505, 624808, 781010, 1562020, 3124040, 5232767, 10465534, 20931068, 26163835, 41862136, 52327670, 104655340, 209310680]

約数ペア:

[(1, 209310680), (2, 104655340), (4, 52327670), (5, 41862136), (8, 26163835), (10, 20931068), (20, 10465534), (40, 5232767), (67, 3124040), (134, 1562020), (268, 781010), (335, 624808), (536, 390505), (670, 312404), (1340, 156202), (2680, 78101)]