390494720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{283}}^1$

素因数の和:331

約数の個数: 240

約数和(自身を含む): 1192343328

約数和(自身を除く): 801848608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 283, 308, 320, 352, 385, 392, 440, 448, 490, 512, 539, 560, 566, 616, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1132, 1232, 1280, 1408, 1415, 1540, 1568, 1760, 1792, 1960, 1981, 2156, 2240, 2264, 2464, 2560, 2695, 2816, 2830, 3080, 3113, 3136, 3520, 3584, 3920, 3962, 4312, 4480, 4528, 4928, 5390, 5632, 5660, 6160, 6226, 6272, 7040, 7840, 7924, 8624, 8960, 9056, 9856, 9905, 10780, 11320, 12320, 12452, 12544, 13867, 14080, 15565, 15680, 15848, 17248, 17920, 18112, 19712, 19810, 21560, 21791, 22640, 24640, 24904, 25088, 27734, 28160, 31130, 31360, 31696, 34496, 36224, 39424, 39620, 43120, 43582, 45280, 49280, 49808, 55468, 62260, 62720, 63392, 68992, 69335, 72448, 79240, 86240, 87164, 90560, 98560, 99616, 108955, 110936, 124520, 125440, 126784, 137984, 138670, 144896, 152537, 158480, 172480, 174328, 181120, 197120, 199232, 217910, 221872, 249040, 253568, 275968, 277340, 305074, 316960, 344960, 348656, 362240, 398464, 435820, 443744, 498080, 507136, 554680, 610148, 633920, 689920, 697312, 724480, 762685, 796928, 871640, 887488, 996160, 1014272, 1109360, 1220296, 1267840, 1379840, 1394624, 1525370, 1593856, 1743280, 1774976, 1992320, 2218720, 2440592, 2535680, 2789248, 3050740, 3486560, 3549952, 3984640, 4437440, 4881184, 5071360, 5578496, 6101480, 6973120, 7099904, 7969280, 8874880, 9762368, 11156992, 12202960, 13946240, 17749760, 19524736, 24405920, 27892480, 35499520, 39049472, 48811840, 55784960, 78098944, 97623680, 195247360, 390494720]

約数ペア:

[(1, 390494720), (2, 195247360), (4, 97623680), (5, 78098944), (7, 55784960), (8, 48811840), (10, 39049472), (11, 35499520), (14, 27892480), (16, 24405920), (20, 19524736), (22, 17749760), (28, 13946240), (32, 12202960), (35, 11156992), (40, 9762368), (44, 8874880), (49, 7969280), (55, 7099904), (56, 6973120), (64, 6101480), (70, 5578496), (77, 5071360), (80, 4881184), (88, 4437440), (98, 3984640), (110, 3549952), (112, 3486560), (128, 3050740), (140, 2789248), (154, 2535680), (160, 2440592), (176, 2218720), (196, 1992320), (220, 1774976), (224, 1743280), (245, 1593856), (256, 1525370), (280, 1394624), (283, 1379840), (308, 1267840), (320, 1220296), (352, 1109360), (385, 1014272), (392, 996160), (440, 887488), (448, 871640), (490, 796928), (512, 762685), (539, 724480), (560, 697312), (566, 689920), (616, 633920), (640, 610148), (704, 554680), (770, 507136), (784, 498080), (880, 443744), (896, 435820), (980, 398464), (1078, 362240), (1120, 348656), (1132, 344960), (1232, 316960), (1280, 305074), (1408, 277340), (1415, 275968), (1540, 253568), (1568, 249040), (1760, 221872), (1792, 217910), (1960, 199232), (1981, 197120), (2156, 181120), (2240, 174328), (2264, 172480), (2464, 158480), (2560, 152537), (2695, 144896), (2816, 138670), (2830, 137984), (3080, 126784), (3113, 125440), (3136, 124520), (3520, 110936), (3584, 108955), (3920, 99616), (3962, 98560), (4312, 90560), (4480, 87164), (4528, 86240), (4928, 79240), (5390, 72448), (5632, 69335), (5660, 68992), (6160, 63392), (6226, 62720), (6272, 62260), (7040, 55468), (7840, 49808), (7924, 49280), (8624, 45280), (8960, 43582), (9056, 43120), (9856, 39620), (9905, 39424), (10780, 36224), (11320, 34496), (12320, 31696), (12452, 31360), (12544, 31130), (13867, 28160), (14080, 27734), (15565, 25088), (15680, 24904), (15848, 24640), (17248, 22640), (17920, 21791), (18112, 21560), (19712, 19810)]