409492070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{719}}^1$

素因数の和:1089

約数の個数: 48

約数和(自身を含む): 801627840

約数和(自身を除く): 392135770

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 337, 338, 674, 719, 845, 1438, 1685, 1690, 3370, 3595, 4381, 7190, 8762, 9347, 18694, 21905, 43810, 46735, 56953, 93470, 113906, 121511, 242303, 243022, 284765, 484606, 569530, 607555, 1211515, 1215110, 2423030, 3149939, 6299878, 15749695, 31499390, 40949207, 81898414, 204746035, 409492070]

約数ペア:

[(1, 409492070), (2, 204746035), (5, 81898414), (10, 40949207), (13, 31499390), (26, 15749695), (65, 6299878), (130, 3149939), (169, 2423030), (337, 1215110), (338, 1211515), (674, 607555), (719, 569530), (845, 484606), (1438, 284765), (1685, 243022), (1690, 242303), (3370, 121511), (3595, 113906), (4381, 93470), (7190, 56953), (8762, 46735), (9347, 43810), (18694, 21905)]