254342144

素因数分解:

$2^{10}\times 7^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 132

約数和(自身を含む): 611864676

約数和(自身を除く): 357522532

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 64, 74, 98, 112, 128, 137, 148, 196, 224, 256, 259, 274, 296, 392, 448, 512, 518, 548, 592, 784, 896, 959, 1024, 1036, 1096, 1184, 1568, 1792, 1813, 1918, 2072, 2192, 2368, 3136, 3584, 3626, 3836, 4144, 4384, 4736, 5069, 6272, 6713, 7168, 7252, 7672, 8288, 8768, 9472, 10138, 12544, 13426, 14504, 15344, 16576, 17536, 18944, 20276, 25088, 26852, 29008, 30688, 33152, 35072, 35483, 37888, 40552, 50176, 53704, 58016, 61376, 66304, 70144, 70966, 81104, 107408, 116032, 122752, 132608, 140288, 141932, 162208, 214816, 232064, 245504, 248381, 265216, 283864, 324416, 429632, 464128, 491008, 496762, 567728, 648832, 859264, 928256, 982016, 993524, 1135456, 1297664, 1718528, 1856512, 1987048, 2270912, 2595328, 3437056, 3974096, 4541824, 5190656, 6874112, 7948192, 9083648, 15896384, 18167296, 31792768, 36334592, 63585536, 127171072, 254342144]

約数ペア:

[(1, 254342144), (2, 127171072), (4, 63585536), (7, 36334592), (8, 31792768), (14, 18167296), (16, 15896384), (28, 9083648), (32, 7948192), (37, 6874112), (49, 5190656), (56, 4541824), (64, 3974096), (74, 3437056), (98, 2595328), (112, 2270912), (128, 1987048), (137, 1856512), (148, 1718528), (196, 1297664), (224, 1135456), (256, 993524), (259, 982016), (274, 928256), (296, 859264), (392, 648832), (448, 567728), (512, 496762), (518, 491008), (548, 464128), (592, 429632), (784, 324416), (896, 283864), (959, 265216), (1024, 248381), (1036, 245504), (1096, 232064), (1184, 214816), (1568, 162208), (1792, 141932), (1813, 140288), (1918, 132608), (2072, 122752), (2192, 116032), (2368, 107408), (3136, 81104), (3584, 70966), (3626, 70144), (3836, 66304), (4144, 61376), (4384, 58016), (4736, 53704), (5069, 50176), (6272, 40552), (6713, 37888), (7168, 35483), (7252, 35072), (7672, 33152), (8288, 30688), (8768, 29008), (9472, 26852), (10138, 25088), (12544, 20276), (13426, 18944), (14504, 17536), (15344, 16576)]