280077952

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 128

約数和(自身を含む): 703946880

約数和(自身を除く): 423868928

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 157, 176, 181, 224, 308, 314, 352, 362, 448, 616, 628, 704, 724, 896, 1099, 1232, 1256, 1267, 1408, 1448, 1727, 1991, 2198, 2464, 2512, 2534, 2896, 3454, 3982, 4396, 4928, 5024, 5068, 5792, 6908, 7964, 8792, 9856, 10048, 10136, 11584, 12089, 13816, 13937, 15928, 17584, 20096, 20272, 23168, 24178, 27632, 27874, 28417, 31856, 35168, 40544, 48356, 55264, 55748, 56834, 63712, 70336, 81088, 96712, 110528, 111496, 113668, 127424, 140672, 162176, 193424, 198919, 221056, 222992, 227336, 254848, 312587, 386848, 397838, 445984, 454672, 625174, 773696, 795676, 891968, 909344, 1250348, 1547392, 1591352, 1783936, 1818688, 2188109, 2500696, 3182704, 3637376, 4376218, 5001392, 6365408, 8752436, 10002784, 12730816, 17504872, 20005568, 25461632, 35009744, 40011136, 70019488, 140038976, 280077952]

約数ペア:

[(1, 280077952), (2, 140038976), (4, 70019488), (7, 40011136), (8, 35009744), (11, 25461632), (14, 20005568), (16, 17504872), (22, 12730816), (28, 10002784), (32, 8752436), (44, 6365408), (56, 5001392), (64, 4376218), (77, 3637376), (88, 3182704), (112, 2500696), (128, 2188109), (154, 1818688), (157, 1783936), (176, 1591352), (181, 1547392), (224, 1250348), (308, 909344), (314, 891968), (352, 795676), (362, 773696), (448, 625174), (616, 454672), (628, 445984), (704, 397838), (724, 386848), (896, 312587), (1099, 254848), (1232, 227336), (1256, 222992), (1267, 221056), (1408, 198919), (1448, 193424), (1727, 162176), (1991, 140672), (2198, 127424), (2464, 113668), (2512, 111496), (2534, 110528), (2896, 96712), (3454, 81088), (3982, 70336), (4396, 63712), (4928, 56834), (5024, 55748), (5068, 55264), (5792, 48356), (6908, 40544), (7964, 35168), (8792, 31856), (9856, 28417), (10048, 27874), (10136, 27632), (11584, 24178), (12089, 23168), (13816, 20272), (13937, 20096), (15928, 17584)]