389916800

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:160

約数の個数: 288

約数和(自身を含む): 1203583680

約数和(自身を除く): 813666880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 103, 104, 112, 128, 130, 140, 160, 169, 175, 182, 200, 206, 208, 224, 260, 280, 320, 325, 338, 350, 364, 400, 412, 416, 448, 455, 515, 520, 560, 640, 650, 676, 700, 721, 728, 800, 824, 832, 845, 896, 910, 1030, 1040, 1120, 1183, 1300, 1339, 1352, 1400, 1442, 1456, 1600, 1648, 1664, 1690, 1820, 2060, 2080, 2240, 2275, 2366, 2575, 2600, 2678, 2704, 2800, 2884, 2912, 3200, 3296, 3380, 3605, 3640, 4120, 4160, 4225, 4480, 4550, 4732, 5150, 5200, 5356, 5408, 5600, 5768, 5824, 5915, 6592, 6695, 6760, 7210, 7280, 8240, 8320, 8450, 9100, 9373, 9464, 10300, 10400, 10712, 10816, 11200, 11536, 11648, 11830, 13184, 13390, 13520, 14420, 14560, 16480, 16900, 17407, 18025, 18200, 18746, 18928, 20600, 20800, 21424, 21632, 22400, 23072, 23660, 26780, 27040, 28840, 29120, 29575, 32960, 33475, 33800, 34814, 36050, 36400, 37492, 37856, 41200, 41600, 42848, 46144, 46865, 47320, 53560, 54080, 57680, 58240, 59150, 65920, 66950, 67600, 69628, 72100, 72800, 74984, 75712, 82400, 85696, 87035, 92288, 93730, 94640, 107120, 108160, 115360, 118300, 121849, 133900, 135200, 139256, 144200, 145600, 149968, 151424, 164800, 171392, 174070, 187460, 189280, 214240, 230720, 234325, 236600, 243698, 267800, 270400, 278512, 288400, 291200, 299936, 329600, 348140, 374920, 378560, 428480, 435175, 461440, 468650, 473200, 487396, 535600, 540800, 557024, 576800, 599872, 609245, 696280, 749840, 757120, 856960, 870350, 937300, 946400, 974792, 1071200, 1114048, 1153600, 1199744, 1218490, 1392560, 1499680, 1740700, 1874600, 1892800, 1949584, 2142400, 2228096, 2307200, 2436980, 2785120, 2999360, 3046225, 3481400, 3749200, 3785600, 3899168, 4284800, 4873960, 5570240, 5998720, 6092450, 6962800, 7498400, 7798336, 9747920, 11140480, 12184900, 13925600, 14996800, 15596672, 19495840, 24369800, 27851200, 29993600, 38991680, 48739600, 55702400, 77983360, 97479200, 194958400, 389916800]

約数ペア:

[(1, 389916800), (2, 194958400), (4, 97479200), (5, 77983360), (7, 55702400), (8, 48739600), (10, 38991680), (13, 29993600), (14, 27851200), (16, 24369800), (20, 19495840), (25, 15596672), (26, 14996800), (28, 13925600), (32, 12184900), (35, 11140480), (40, 9747920), (50, 7798336), (52, 7498400), (56, 6962800), (64, 6092450), (65, 5998720), (70, 5570240), (80, 4873960), (91, 4284800), (100, 3899168), (103, 3785600), (104, 3749200), (112, 3481400), (128, 3046225), (130, 2999360), (140, 2785120), (160, 2436980), (169, 2307200), (175, 2228096), (182, 2142400), (200, 1949584), (206, 1892800), (208, 1874600), (224, 1740700), (260, 1499680), (280, 1392560), (320, 1218490), (325, 1199744), (338, 1153600), (350, 1114048), (364, 1071200), (400, 974792), (412, 946400), (416, 937300), (448, 870350), (455, 856960), (515, 757120), (520, 749840), (560, 696280), (640, 609245), (650, 599872), (676, 576800), (700, 557024), (721, 540800), (728, 535600), (800, 487396), (824, 473200), (832, 468650), (845, 461440), (896, 435175), (910, 428480), (1030, 378560), (1040, 374920), (1120, 348140), (1183, 329600), (1300, 299936), (1339, 291200), (1352, 288400), (1400, 278512), (1442, 270400), (1456, 267800), (1600, 243698), (1648, 236600), (1664, 234325), (1690, 230720), (1820, 214240), (2060, 189280), (2080, 187460), (2240, 174070), (2275, 171392), (2366, 164800), (2575, 151424), (2600, 149968), (2678, 145600), (2704, 144200), (2800, 139256), (2884, 135200), (2912, 133900), (3200, 121849), (3296, 118300), (3380, 115360), (3605, 108160), (3640, 107120), (4120, 94640), (4160, 93730), (4225, 92288), (4480, 87035), (4550, 85696), (4732, 82400), (5150, 75712), (5200, 74984), (5356, 72800), (5408, 72100), (5600, 69628), (5768, 67600), (5824, 66950), (5915, 65920), (6592, 59150), (6695, 58240), (6760, 57680), (7210, 54080), (7280, 53560), (8240, 47320), (8320, 46865), (8450, 46144), (9100, 42848), (9373, 41600), (9464, 41200), (10300, 37856), (10400, 37492), (10712, 36400), (10816, 36050), (11200, 34814), (11536, 33800), (11648, 33475), (11830, 32960), (13184, 29575), (13390, 29120), (13520, 28840), (14420, 27040), (14560, 26780), (16480, 23660), (16900, 23072), (17407, 22400), (18025, 21632), (18200, 21424), (18746, 20800), (18928, 20600)]