399206720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 224

約数和(自身を含む): 1123614720

約数和(自身を除く): 724408000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 47, 55, 64, 76, 80, 88, 94, 95, 110, 127, 152, 160, 176, 188, 190, 209, 220, 235, 254, 304, 320, 352, 376, 380, 418, 440, 470, 508, 517, 608, 635, 704, 752, 760, 836, 880, 893, 940, 1016, 1034, 1045, 1216, 1270, 1397, 1504, 1520, 1672, 1760, 1786, 1880, 2032, 2068, 2090, 2413, 2540, 2585, 2794, 3008, 3040, 3344, 3520, 3572, 3760, 4064, 4136, 4180, 4465, 4826, 5080, 5170, 5588, 5969, 6080, 6688, 6985, 7144, 7520, 8128, 8272, 8360, 8930, 9652, 9823, 10160, 10340, 11176, 11938, 12065, 13376, 13970, 14288, 15040, 16544, 16720, 17860, 19304, 19646, 20320, 20680, 22352, 23876, 24130, 26543, 27940, 28576, 29845, 33088, 33440, 35720, 38608, 39292, 40640, 41360, 44704, 47752, 48260, 49115, 53086, 55880, 57152, 59690, 65659, 66880, 71440, 77216, 78584, 82720, 89408, 95504, 96520, 98230, 106172, 111760, 113411, 119380, 131318, 132715, 142880, 154432, 157168, 165440, 191008, 193040, 196460, 212344, 223520, 226822, 238760, 262636, 265430, 285760, 314336, 328295, 382016, 386080, 392920, 424688, 447040, 453644, 477520, 525272, 530860, 567055, 628672, 656590, 772160, 785840, 849376, 907288, 955040, 1050544, 1061720, 1134110, 1247521, 1313180, 1571680, 1698752, 1814576, 1910080, 2101088, 2123440, 2268220, 2495042, 2626360, 3143360, 3629152, 4202176, 4246880, 4536440, 4990084, 5252720, 6237605, 7258304, 8493760, 9072880, 9980168, 10505440, 12475210, 18145760, 19960336, 21010880, 24950420, 36291520, 39920672, 49900840, 79841344, 99801680, 199603360, 399206720]

約数ペア:

[(1, 399206720), (2, 199603360), (4, 99801680), (5, 79841344), (8, 49900840), (10, 39920672), (11, 36291520), (16, 24950420), (19, 21010880), (20, 19960336), (22, 18145760), (32, 12475210), (38, 10505440), (40, 9980168), (44, 9072880), (47, 8493760), (55, 7258304), (64, 6237605), (76, 5252720), (80, 4990084), (88, 4536440), (94, 4246880), (95, 4202176), (110, 3629152), (127, 3143360), (152, 2626360), (160, 2495042), (176, 2268220), (188, 2123440), (190, 2101088), (209, 1910080), (220, 1814576), (235, 1698752), (254, 1571680), (304, 1313180), (320, 1247521), (352, 1134110), (376, 1061720), (380, 1050544), (418, 955040), (440, 907288), (470, 849376), (508, 785840), (517, 772160), (608, 656590), (635, 628672), (704, 567055), (752, 530860), (760, 525272), (836, 477520), (880, 453644), (893, 447040), (940, 424688), (1016, 392920), (1034, 386080), (1045, 382016), (1216, 328295), (1270, 314336), (1397, 285760), (1504, 265430), (1520, 262636), (1672, 238760), (1760, 226822), (1786, 223520), (1880, 212344), (2032, 196460), (2068, 193040), (2090, 191008), (2413, 165440), (2540, 157168), (2585, 154432), (2794, 142880), (3008, 132715), (3040, 131318), (3344, 119380), (3520, 113411), (3572, 111760), (3760, 106172), (4064, 98230), (4136, 96520), (4180, 95504), (4465, 89408), (4826, 82720), (5080, 78584), (5170, 77216), (5588, 71440), (5969, 66880), (6080, 65659), (6688, 59690), (6985, 57152), (7144, 55880), (7520, 53086), (8128, 49115), (8272, 48260), (8360, 47752), (8930, 44704), (9652, 41360), (9823, 40640), (10160, 39292), (10340, 38608), (11176, 35720), (11938, 33440), (12065, 33088), (13376, 29845), (13970, 28576), (14288, 27940), (15040, 26543), (16544, 24130), (16720, 23876), (17860, 22352), (19304, 20680), (19646, 20320)]