209890912

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 144

約数和(自身を含む): 538477632

約数和(自身を除く): 328586720

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 43, 44, 49, 56, 77, 86, 88, 98, 112, 154, 172, 176, 196, 224, 283, 301, 308, 344, 352, 392, 473, 539, 566, 602, 616, 688, 784, 946, 1078, 1132, 1204, 1232, 1376, 1568, 1892, 1981, 2107, 2156, 2264, 2408, 2464, 3113, 3311, 3784, 3962, 4214, 4312, 4528, 4816, 6226, 6622, 7568, 7924, 8428, 8624, 9056, 9632, 12169, 12452, 13244, 13867, 15136, 15848, 16856, 17248, 21791, 23177, 24338, 24904, 26488, 27734, 31696, 33712, 43582, 46354, 48676, 49808, 52976, 55468, 63392, 67424, 85183, 87164, 92708, 97352, 99616, 105952, 110936, 133859, 152537, 170366, 174328, 185416, 194704, 221872, 267718, 305074, 340732, 348656, 370832, 389408, 443744, 535436, 596281, 610148, 681464, 697312, 741664, 937013, 1070872, 1192562, 1220296, 1362928, 1874026, 2141744, 2385124, 2440592, 2725856, 3748052, 4283488, 4770248, 4881184, 6559091, 7496104, 9540496, 13118182, 14992208, 19080992, 26236364, 29984416, 52472728, 104945456, 209890912]

約数ペア:

[(1, 209890912), (2, 104945456), (4, 52472728), (7, 29984416), (8, 26236364), (11, 19080992), (14, 14992208), (16, 13118182), (22, 9540496), (28, 7496104), (32, 6559091), (43, 4881184), (44, 4770248), (49, 4283488), (56, 3748052), (77, 2725856), (86, 2440592), (88, 2385124), (98, 2141744), (112, 1874026), (154, 1362928), (172, 1220296), (176, 1192562), (196, 1070872), (224, 937013), (283, 741664), (301, 697312), (308, 681464), (344, 610148), (352, 596281), (392, 535436), (473, 443744), (539, 389408), (566, 370832), (602, 348656), (616, 340732), (688, 305074), (784, 267718), (946, 221872), (1078, 194704), (1132, 185416), (1204, 174328), (1232, 170366), (1376, 152537), (1568, 133859), (1892, 110936), (1981, 105952), (2107, 99616), (2156, 97352), (2264, 92708), (2408, 87164), (2464, 85183), (3113, 67424), (3311, 63392), (3784, 55468), (3962, 52976), (4214, 49808), (4312, 48676), (4528, 46354), (4816, 43582), (6226, 33712), (6622, 31696), (7568, 27734), (7924, 26488), (8428, 24904), (8624, 24338), (9056, 23177), (9632, 21791), (12169, 17248), (12452, 16856), (13244, 15848), (13867, 15136)]