27906970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 63462204

約数和(自身を除く): 35555234

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 169, 182, 245, 337, 338, 455, 490, 637, 674, 845, 910, 1183, 1274, 1685, 1690, 2359, 2366, 3185, 3370, 4381, 4718, 5915, 6370, 8281, 8762, 11795, 11830, 16513, 16562, 21905, 23590, 30667, 33026, 41405, 43810, 56953, 61334, 82565, 82810, 113906, 153335, 165130, 214669, 284765, 306670, 398671, 429338, 569530, 797342, 1073345, 1993355, 2146690, 2790697, 3986710, 5581394, 13953485, 27906970]

約数ペア:

[(1, 27906970), (2, 13953485), (5, 5581394), (7, 3986710), (10, 2790697), (13, 2146690), (14, 1993355), (26, 1073345), (35, 797342), (49, 569530), (65, 429338), (70, 398671), (91, 306670), (98, 284765), (130, 214669), (169, 165130), (182, 153335), (245, 113906), (337, 82810), (338, 82565), (455, 61334), (490, 56953), (637, 43810), (674, 41405), (845, 33026), (910, 30667), (1183, 23590), (1274, 21905), (1685, 16562), (1690, 16513), (2359, 11830), (2366, 11795), (3185, 8762), (3370, 8281), (4381, 6370), (4718, 5915)]