243257600

素因数分解:

$2^8\times 5^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:416

約数の個数: 108

約数和(自身を含む): 608294400

約数和(自身を除く): 365036800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 191, 199, 200, 256, 320, 382, 398, 400, 640, 764, 796, 800, 955, 995, 1280, 1528, 1592, 1600, 1910, 1990, 3056, 3184, 3200, 3820, 3980, 4775, 4975, 6112, 6368, 6400, 7640, 7960, 9550, 9950, 12224, 12736, 15280, 15920, 19100, 19900, 24448, 25472, 30560, 31840, 38009, 38200, 39800, 48896, 50944, 61120, 63680, 76018, 76400, 79600, 122240, 127360, 152036, 152800, 159200, 190045, 244480, 254720, 304072, 305600, 318400, 380090, 608144, 611200, 636800, 760180, 950225, 1216288, 1222400, 1273600, 1520360, 1900450, 2432576, 3040720, 3800900, 4865152, 6081440, 7601800, 9730304, 12162880, 15203600, 24325760, 30407200, 48651520, 60814400, 121628800, 243257600]

約数ペア:

[(1, 243257600), (2, 121628800), (4, 60814400), (5, 48651520), (8, 30407200), (10, 24325760), (16, 15203600), (20, 12162880), (25, 9730304), (32, 7601800), (40, 6081440), (50, 4865152), (64, 3800900), (80, 3040720), (100, 2432576), (128, 1900450), (160, 1520360), (191, 1273600), (199, 1222400), (200, 1216288), (256, 950225), (320, 760180), (382, 636800), (398, 611200), (400, 608144), (640, 380090), (764, 318400), (796, 305600), (800, 304072), (955, 254720), (995, 244480), (1280, 190045), (1528, 159200), (1592, 152800), (1600, 152036), (1910, 127360), (1990, 122240), (3056, 79600), (3184, 76400), (3200, 76018), (3820, 63680), (3980, 61120), (4775, 50944), (4975, 48896), (6112, 39800), (6368, 38200), (6400, 38009), (7640, 31840), (7960, 30560), (9550, 25472), (9950, 24448), (12224, 19900), (12736, 19100), (15280, 15920)]