442278400

素因数分解:

$2^9\times 5^2\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:454

約数の個数: 120

約数和(自身を含む): 1109320740

約数和(自身を除く): 667042340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 128, 160, 200, 218, 256, 317, 320, 400, 436, 512, 545, 634, 640, 800, 872, 1090, 1268, 1280, 1585, 1600, 1744, 2180, 2536, 2560, 2725, 3170, 3200, 3488, 4360, 5072, 5450, 6340, 6400, 6976, 7925, 8720, 10144, 10900, 12680, 12800, 13952, 15850, 17440, 20288, 21800, 25360, 27904, 31700, 34553, 34880, 40576, 43600, 50720, 55808, 63400, 69106, 69760, 81152, 87200, 101440, 126800, 138212, 139520, 162304, 172765, 174400, 202880, 253600, 276424, 279040, 345530, 348800, 405760, 507200, 552848, 691060, 697600, 811520, 863825, 1014400, 1105696, 1382120, 1395200, 1727650, 2028800, 2211392, 2764240, 3455300, 4057600, 4422784, 5528480, 6910600, 8845568, 11056960, 13821200, 17691136, 22113920, 27642400, 44227840, 55284800, 88455680, 110569600, 221139200, 442278400]

約数ペア:

[(1, 442278400), (2, 221139200), (4, 110569600), (5, 88455680), (8, 55284800), (10, 44227840), (16, 27642400), (20, 22113920), (25, 17691136), (32, 13821200), (40, 11056960), (50, 8845568), (64, 6910600), (80, 5528480), (100, 4422784), (109, 4057600), (128, 3455300), (160, 2764240), (200, 2211392), (218, 2028800), (256, 1727650), (317, 1395200), (320, 1382120), (400, 1105696), (436, 1014400), (512, 863825), (545, 811520), (634, 697600), (640, 691060), (800, 552848), (872, 507200), (1090, 405760), (1268, 348800), (1280, 345530), (1585, 279040), (1600, 276424), (1744, 253600), (2180, 202880), (2536, 174400), (2560, 172765), (2725, 162304), (3170, 139520), (3200, 138212), (3488, 126800), (4360, 101440), (5072, 87200), (5450, 81152), (6340, 69760), (6400, 69106), (6976, 63400), (7925, 55808), (8720, 50720), (10144, 43600), (10900, 40576), (12680, 34880), (12800, 34553), (13952, 31700), (15850, 27904), (17440, 25360), (20288, 21800)]