256449536

素因数分解:

$2^{10}\times 7^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:322

約数の個数: 132

約数和(自身を含む): 630066600

約数和(自身を除く): 373617064

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 64, 76, 98, 112, 128, 133, 152, 196, 224, 256, 266, 269, 304, 392, 448, 512, 532, 538, 608, 784, 896, 931, 1024, 1064, 1076, 1216, 1568, 1792, 1862, 1883, 2128, 2152, 2432, 3136, 3584, 3724, 3766, 4256, 4304, 4864, 5111, 6272, 7168, 7448, 7532, 8512, 8608, 9728, 10222, 12544, 13181, 14896, 15064, 17024, 17216, 19456, 20444, 25088, 26362, 29792, 30128, 34048, 34432, 35777, 40888, 50176, 52724, 59584, 60256, 68096, 68864, 71554, 81776, 105448, 119168, 120512, 136192, 137728, 143108, 163552, 210896, 238336, 241024, 250439, 275456, 286216, 327104, 421792, 476672, 482048, 500878, 572432, 654208, 843584, 953344, 964096, 1001756, 1144864, 1308416, 1687168, 1928192, 2003512, 2289728, 2616832, 3374336, 4007024, 4579456, 5233664, 6748672, 8014048, 9158912, 13497344, 16028096, 18317824, 32056192, 36635648, 64112384, 128224768, 256449536]

約数ペア:

[(1, 256449536), (2, 128224768), (4, 64112384), (7, 36635648), (8, 32056192), (14, 18317824), (16, 16028096), (19, 13497344), (28, 9158912), (32, 8014048), (38, 6748672), (49, 5233664), (56, 4579456), (64, 4007024), (76, 3374336), (98, 2616832), (112, 2289728), (128, 2003512), (133, 1928192), (152, 1687168), (196, 1308416), (224, 1144864), (256, 1001756), (266, 964096), (269, 953344), (304, 843584), (392, 654208), (448, 572432), (512, 500878), (532, 482048), (538, 476672), (608, 421792), (784, 327104), (896, 286216), (931, 275456), (1024, 250439), (1064, 241024), (1076, 238336), (1216, 210896), (1568, 163552), (1792, 143108), (1862, 137728), (1883, 136192), (2128, 120512), (2152, 119168), (2432, 105448), (3136, 81776), (3584, 71554), (3724, 68864), (3766, 68096), (4256, 60256), (4304, 59584), (4864, 52724), (5111, 50176), (6272, 40888), (7168, 35777), (7448, 34432), (7532, 34048), (8512, 30128), (8608, 29792), (9728, 26362), (10222, 25088), (12544, 20444), (13181, 19456), (14896, 17216), (15064, 17024)]