39978400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 216

約数和(自身を含む): 124679520

約数和(自身を除く): 84701120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 59, 70, 77, 80, 88, 100, 110, 112, 118, 121, 140, 154, 160, 175, 176, 200, 220, 224, 236, 242, 275, 280, 295, 308, 350, 352, 385, 400, 413, 440, 472, 484, 550, 560, 590, 605, 616, 649, 700, 770, 800, 826, 847, 880, 944, 968, 1100, 1120, 1180, 1210, 1232, 1298, 1400, 1475, 1540, 1652, 1694, 1760, 1888, 1925, 1936, 2065, 2200, 2360, 2420, 2464, 2596, 2800, 2950, 3025, 3080, 3245, 3304, 3388, 3850, 3872, 4130, 4235, 4400, 4543, 4720, 4840, 5192, 5600, 5900, 6050, 6160, 6490, 6608, 6776, 7139, 7700, 8260, 8470, 8800, 9086, 9440, 9680, 10325, 10384, 11800, 12100, 12320, 12980, 13216, 13552, 14278, 15400, 16225, 16520, 16940, 18172, 19360, 20650, 20768, 21175, 22715, 23600, 24200, 25960, 27104, 28556, 30800, 32450, 33040, 33880, 35695, 36344, 41300, 42350, 45430, 47200, 48400, 49973, 51920, 57112, 61600, 64900, 66080, 67760, 71390, 72688, 82600, 84700, 90860, 96800, 99946, 103840, 113575, 114224, 129800, 135520, 142780, 145376, 165200, 169400, 178475, 181720, 199892, 227150, 228448, 249865, 259600, 285560, 330400, 338800, 356950, 363440, 399784, 454300, 499730, 519200, 571120, 677600, 713900, 726880, 799568, 908600, 999460, 1142240, 1249325, 1427800, 1599136, 1817200, 1998920, 2498650, 2855600, 3634400, 3997840, 4997300, 5711200, 7995680, 9994600, 19989200, 39978400]

約数ペア:

[(1, 39978400), (2, 19989200), (4, 9994600), (5, 7995680), (7, 5711200), (8, 4997300), (10, 3997840), (11, 3634400), (14, 2855600), (16, 2498650), (20, 1998920), (22, 1817200), (25, 1599136), (28, 1427800), (32, 1249325), (35, 1142240), (40, 999460), (44, 908600), (50, 799568), (55, 726880), (56, 713900), (59, 677600), (70, 571120), (77, 519200), (80, 499730), (88, 454300), (100, 399784), (110, 363440), (112, 356950), (118, 338800), (121, 330400), (140, 285560), (154, 259600), (160, 249865), (175, 228448), (176, 227150), (200, 199892), (220, 181720), (224, 178475), (236, 169400), (242, 165200), (275, 145376), (280, 142780), (295, 135520), (308, 129800), (350, 114224), (352, 113575), (385, 103840), (400, 99946), (413, 96800), (440, 90860), (472, 84700), (484, 82600), (550, 72688), (560, 71390), (590, 67760), (605, 66080), (616, 64900), (649, 61600), (700, 57112), (770, 51920), (800, 49973), (826, 48400), (847, 47200), (880, 45430), (944, 42350), (968, 41300), (1100, 36344), (1120, 35695), (1180, 33880), (1210, 33040), (1232, 32450), (1298, 30800), (1400, 28556), (1475, 27104), (1540, 25960), (1652, 24200), (1694, 23600), (1760, 22715), (1888, 21175), (1925, 20768), (1936, 20650), (2065, 19360), (2200, 18172), (2360, 16940), (2420, 16520), (2464, 16225), (2596, 15400), (2800, 14278), (2950, 13552), (3025, 13216), (3080, 12980), (3245, 12320), (3304, 12100), (3388, 11800), (3850, 10384), (3872, 10325), (4130, 9680), (4235, 9440), (4400, 9086), (4543, 8800), (4720, 8470), (4840, 8260), (5192, 7700), (5600, 7139), (5900, 6776), (6050, 6608), (6160, 6490)]