247919840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:517

約数の個数: 192

約数和(自身を含む): 734832000

約数和(自身を除く): 486912160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 29, 32, 34, 35, 40, 56, 58, 68, 70, 80, 85, 112, 116, 119, 136, 140, 145, 160, 170, 203, 224, 232, 238, 272, 280, 290, 340, 406, 449, 464, 476, 493, 544, 560, 580, 595, 680, 812, 898, 928, 952, 986, 1015, 1120, 1160, 1190, 1360, 1624, 1796, 1904, 1972, 2030, 2245, 2320, 2380, 2465, 2720, 3143, 3248, 3451, 3592, 3808, 3944, 4060, 4490, 4640, 4760, 4930, 6286, 6496, 6902, 7184, 7633, 7888, 8120, 8980, 9520, 9860, 12572, 13021, 13804, 14368, 15266, 15715, 15776, 16240, 17255, 17960, 19040, 19720, 25144, 26042, 27608, 30532, 31430, 32480, 34510, 35920, 38165, 39440, 50288, 52084, 53431, 55216, 61064, 62860, 65105, 69020, 71840, 76330, 78880, 91147, 100576, 104168, 106862, 110432, 122128, 125720, 130210, 138040, 152660, 182294, 208336, 213724, 221357, 244256, 251440, 260420, 267155, 276080, 305320, 364588, 416672, 427448, 442714, 455735, 502880, 520840, 534310, 552160, 610640, 729176, 854896, 885428, 911470, 1041680, 1068620, 1106785, 1221280, 1458352, 1549499, 1709792, 1770856, 1822940, 2083360, 2137240, 2213570, 2916704, 3098998, 3541712, 3645880, 4274480, 4427140, 6197996, 7083424, 7291760, 7747495, 8548960, 8854280, 12395992, 14583520, 15494990, 17708560, 24791984, 30989980, 35417120, 49583968, 61979960, 123959920, 247919840]

約数ペア:

[(1, 247919840), (2, 123959920), (4, 61979960), (5, 49583968), (7, 35417120), (8, 30989980), (10, 24791984), (14, 17708560), (16, 15494990), (17, 14583520), (20, 12395992), (28, 8854280), (29, 8548960), (32, 7747495), (34, 7291760), (35, 7083424), (40, 6197996), (56, 4427140), (58, 4274480), (68, 3645880), (70, 3541712), (80, 3098998), (85, 2916704), (112, 2213570), (116, 2137240), (119, 2083360), (136, 1822940), (140, 1770856), (145, 1709792), (160, 1549499), (170, 1458352), (203, 1221280), (224, 1106785), (232, 1068620), (238, 1041680), (272, 911470), (280, 885428), (290, 854896), (340, 729176), (406, 610640), (449, 552160), (464, 534310), (476, 520840), (493, 502880), (544, 455735), (560, 442714), (580, 427448), (595, 416672), (680, 364588), (812, 305320), (898, 276080), (928, 267155), (952, 260420), (986, 251440), (1015, 244256), (1120, 221357), (1160, 213724), (1190, 208336), (1360, 182294), (1624, 152660), (1796, 138040), (1904, 130210), (1972, 125720), (2030, 122128), (2245, 110432), (2320, 106862), (2380, 104168), (2465, 100576), (2720, 91147), (3143, 78880), (3248, 76330), (3451, 71840), (3592, 69020), (3808, 65105), (3944, 62860), (4060, 61064), (4490, 55216), (4640, 53431), (4760, 52084), (4930, 50288), (6286, 39440), (6496, 38165), (6902, 35920), (7184, 34510), (7633, 32480), (7888, 31430), (8120, 30532), (8980, 27608), (9520, 26042), (9860, 25144), (12572, 19720), (13021, 19040), (13804, 17960), (14368, 17255), (15266, 16240), (15715, 15776)]