260877568

素因数分解:

$2^8\times 7^3\times {\mathrm{2971}}^1$

素因数の和:3008

約数の個数: 72

約数和(自身を含む): 607476800

約数和(自身を除く): 346599232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 2971, 3136, 5488, 5942, 6272, 10976, 11884, 12544, 20797, 21952, 23768, 41594, 43904, 47536, 83188, 87808, 95072, 145579, 166376, 190144, 291158, 332752, 380288, 582316, 665504, 760576, 1019053, 1164632, 1331008, 2038106, 2329264, 2662016, 4076212, 4658528, 5324032, 8152424, 9317056, 16304848, 18634112, 32609696, 37268224, 65219392, 130438784, 260877568]

約数ペア:

[(1, 260877568), (2, 130438784), (4, 65219392), (7, 37268224), (8, 32609696), (14, 18634112), (16, 16304848), (28, 9317056), (32, 8152424), (49, 5324032), (56, 4658528), (64, 4076212), (98, 2662016), (112, 2329264), (128, 2038106), (196, 1331008), (224, 1164632), (256, 1019053), (343, 760576), (392, 665504), (448, 582316), (686, 380288), (784, 332752), (896, 291158), (1372, 190144), (1568, 166376), (1792, 145579), (2744, 95072), (2971, 87808), (3136, 83188), (5488, 47536), (5942, 43904), (6272, 41594), (10976, 23768), (11884, 21952), (12544, 20797)]