140254728

素因数分解:

$2^3\times 3^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 357739200

約数和(自身を除く): 217484472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 83, 166, 181, 249, 332, 362, 389, 498, 543, 664, 724, 778, 996, 1086, 1167, 1448, 1556, 1992, 2172, 2334, 3112, 4344, 4668, 9336, 15023, 30046, 32287, 45069, 60092, 64574, 70409, 90138, 96861, 120184, 129148, 140818, 180276, 193722, 211227, 258296, 281636, 360552, 387444, 422454, 563272, 774888, 844908, 1689816, 5843947, 11687894, 17531841, 23375788, 35063682, 46751576, 70127364, 140254728]

約数ペア:

[(1, 140254728), (2, 70127364), (3, 46751576), (4, 35063682), (6, 23375788), (8, 17531841), (12, 11687894), (24, 5843947), (83, 1689816), (166, 844908), (181, 774888), (249, 563272), (332, 422454), (362, 387444), (389, 360552), (498, 281636), (543, 258296), (664, 211227), (724, 193722), (778, 180276), (996, 140818), (1086, 129148), (1167, 120184), (1448, 96861), (1556, 90138), (1992, 70409), (2172, 64574), (2334, 60092), (3112, 45069), (4344, 32287), (4668, 30046), (9336, 15023)]