7973420

素因数分解:

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

素因数の和:379

約数の個数: 72

約数和(自身を含む): 20782944

約数和(自身を除く): 12809524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 337, 338, 364, 455, 674, 676, 845, 910, 1183, 1348, 1685, 1690, 1820, 2359, 2366, 3370, 3380, 4381, 4718, 4732, 5915, 6740, 8762, 9436, 11795, 11830, 17524, 21905, 23590, 23660, 30667, 43810, 47180, 56953, 61334, 87620, 113906, 122668, 153335, 227812, 284765, 306670, 398671, 569530, 613340, 797342, 1139060, 1594684, 1993355, 3986710, 7973420]

約数ペア:

[(1, 7973420), (2, 3986710), (4, 1993355), (5, 1594684), (7, 1139060), (10, 797342), (13, 613340), (14, 569530), (20, 398671), (26, 306670), (28, 284765), (35, 227812), (52, 153335), (65, 122668), (70, 113906), (91, 87620), (130, 61334), (140, 56953), (169, 47180), (182, 43810), (260, 30667), (337, 23660), (338, 23590), (364, 21905), (455, 17524), (674, 11830), (676, 11795), (845, 9436), (910, 8762), (1183, 6740), (1348, 5915), (1685, 4732), (1690, 4718), (1820, 4381), (2359, 3380), (2366, 3370)]