205629872

素因数分解:

$2^4\times 7^3\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:539

約数の個数: 80

約数和(自身を含む): 470952000

約数和(自身を除く): 265322128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 89, 98, 112, 178, 196, 343, 356, 392, 421, 623, 686, 712, 784, 842, 1246, 1372, 1424, 1684, 2492, 2744, 2947, 3368, 4361, 4984, 5488, 5894, 6736, 8722, 9968, 11788, 17444, 20629, 23576, 30527, 34888, 37469, 41258, 47152, 61054, 69776, 74938, 82516, 122108, 144403, 149876, 165032, 244216, 262283, 288806, 299752, 330064, 488432, 524566, 577612, 599504, 1049132, 1155224, 1835981, 2098264, 2310448, 3671962, 4196528, 7343924, 12851867, 14687848, 25703734, 29375696, 51407468, 102814936, 205629872]

約数ペア:

[(1, 205629872), (2, 102814936), (4, 51407468), (7, 29375696), (8, 25703734), (14, 14687848), (16, 12851867), (28, 7343924), (49, 4196528), (56, 3671962), (89, 2310448), (98, 2098264), (112, 1835981), (178, 1155224), (196, 1049132), (343, 599504), (356, 577612), (392, 524566), (421, 488432), (623, 330064), (686, 299752), (712, 288806), (784, 262283), (842, 244216), (1246, 165032), (1372, 149876), (1424, 144403), (1684, 122108), (2492, 82516), (2744, 74938), (2947, 69776), (3368, 61054), (4361, 47152), (4984, 41258), (5488, 37469), (5894, 34888), (6736, 30527), (8722, 23576), (9968, 20629), (11788, 17444)]