81621400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 218780640

約数和(自身を除く): 137159240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 173, 175, 200, 280, 337, 346, 350, 674, 692, 700, 865, 1211, 1348, 1384, 1400, 1685, 1730, 2359, 2422, 2696, 3370, 3460, 4325, 4718, 4844, 6055, 6740, 6920, 8425, 8650, 9436, 9688, 11795, 12110, 13480, 16850, 17300, 18872, 23590, 24220, 30275, 33700, 34600, 47180, 48440, 58301, 58975, 60550, 67400, 94360, 116602, 117950, 121100, 233204, 235900, 242200, 291505, 408107, 466408, 471800, 583010, 816214, 1166020, 1457525, 1632428, 2040535, 2332040, 2915050, 3264856, 4081070, 5830100, 8162140, 10202675, 11660200, 16324280, 20405350, 40810700, 81621400]

約数ペア:

[(1, 81621400), (2, 40810700), (4, 20405350), (5, 16324280), (7, 11660200), (8, 10202675), (10, 8162140), (14, 5830100), (20, 4081070), (25, 3264856), (28, 2915050), (35, 2332040), (40, 2040535), (50, 1632428), (56, 1457525), (70, 1166020), (100, 816214), (140, 583010), (173, 471800), (175, 466408), (200, 408107), (280, 291505), (337, 242200), (346, 235900), (350, 233204), (674, 121100), (692, 117950), (700, 116602), (865, 94360), (1211, 67400), (1348, 60550), (1384, 58975), (1400, 58301), (1685, 48440), (1730, 47180), (2359, 34600), (2422, 33700), (2696, 30275), (3370, 24220), (3460, 23590), (4325, 18872), (4718, 17300), (4844, 16850), (6055, 13480), (6740, 12110), (6920, 11795), (8425, 9688), (8650, 9436)]