71371400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^2\times {\mathrm{193}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 170767530

約数和(自身を除く): 99396130

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 193, 200, 215, 344, 386, 430, 772, 860, 965, 1075, 1544, 1720, 1849, 1930, 2150, 3698, 3860, 4300, 4825, 7396, 7720, 8299, 8600, 9245, 9650, 14792, 16598, 18490, 19300, 33196, 36980, 38600, 41495, 46225, 66392, 73960, 82990, 92450, 165980, 184900, 207475, 331960, 356857, 369800, 414950, 713714, 829900, 1427428, 1659800, 1784285, 2854856, 3568570, 7137140, 8921425, 14274280, 17842850, 35685700, 71371400]

約数ペア:

[(1, 71371400), (2, 35685700), (4, 17842850), (5, 14274280), (8, 8921425), (10, 7137140), (20, 3568570), (25, 2854856), (40, 1784285), (43, 1659800), (50, 1427428), (86, 829900), (100, 713714), (172, 414950), (193, 369800), (200, 356857), (215, 331960), (344, 207475), (386, 184900), (430, 165980), (772, 92450), (860, 82990), (965, 73960), (1075, 66392), (1544, 46225), (1720, 41495), (1849, 38600), (1930, 36980), (2150, 33196), (3698, 19300), (3860, 18490), (4300, 16598), (4825, 14792), (7396, 9650), (7720, 9245), (8299, 8600)]