139777600

素因数分解:

$2^6\times 5^2\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:660

約数の個数: 84

約数和(自身を含む): 346456000

約数和(自身を除く): 206678400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 199, 200, 320, 398, 400, 439, 796, 800, 878, 995, 1592, 1600, 1756, 1990, 2195, 3184, 3512, 3980, 4390, 4975, 6368, 7024, 7960, 8780, 9950, 10975, 12736, 14048, 15920, 17560, 19900, 21950, 28096, 31840, 35120, 39800, 43900, 63680, 70240, 79600, 87361, 87800, 140480, 159200, 174722, 175600, 318400, 349444, 351200, 436805, 698888, 702400, 873610, 1397776, 1747220, 2184025, 2795552, 3494440, 4368050, 5591104, 6988880, 8736100, 13977760, 17472200, 27955520, 34944400, 69888800, 139777600]

約数ペア:

[(1, 139777600), (2, 69888800), (4, 34944400), (5, 27955520), (8, 17472200), (10, 13977760), (16, 8736100), (20, 6988880), (25, 5591104), (32, 4368050), (40, 3494440), (50, 2795552), (64, 2184025), (80, 1747220), (100, 1397776), (160, 873610), (199, 702400), (200, 698888), (320, 436805), (398, 351200), (400, 349444), (439, 318400), (796, 175600), (800, 174722), (878, 159200), (995, 140480), (1592, 87800), (1600, 87361), (1756, 79600), (1990, 70240), (2195, 63680), (3184, 43900), (3512, 39800), (3980, 35120), (4390, 31840), (4975, 28096), (6368, 21950), (7024, 19900), (7960, 17560), (8780, 15920), (9950, 14048), (10975, 12736)]