257045376

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:769

約数の個数: 192

約数和(自身を含む): 837216000

約数和(自身を除く): 580170624

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 49, 56, 57, 64, 76, 84, 96, 98, 112, 114, 128, 133, 147, 152, 168, 192, 196, 224, 228, 266, 294, 304, 336, 384, 392, 399, 448, 456, 532, 588, 608, 672, 719, 784, 798, 896, 912, 931, 1064, 1176, 1216, 1344, 1438, 1568, 1596, 1824, 1862, 2128, 2157, 2352, 2432, 2688, 2793, 2876, 3136, 3192, 3648, 3724, 4256, 4314, 4704, 5033, 5586, 5752, 6272, 6384, 7296, 7448, 8512, 8628, 9408, 10066, 11172, 11504, 12768, 13661, 14896, 15099, 17024, 17256, 18816, 20132, 22344, 23008, 25536, 27322, 29792, 30198, 34512, 35231, 40264, 40983, 44688, 46016, 51072, 54644, 59584, 60396, 69024, 70462, 80528, 81966, 89376, 92032, 95627, 105693, 109288, 119168, 120792, 138048, 140924, 161056, 163932, 178752, 191254, 211386, 218576, 241584, 276096, 281848, 286881, 322112, 327864, 357504, 382508, 422772, 437152, 483168, 563696, 573762, 644224, 655728, 669389, 765016, 845544, 874304, 966336, 1127392, 1147524, 1311456, 1338778, 1530032, 1691088, 1748608, 1932672, 2008167, 2254784, 2295048, 2622912, 2677556, 3060064, 3382176, 4016334, 4509568, 4590096, 5245824, 5355112, 6120128, 6764352, 8032668, 9180192, 10710224, 12240256, 13528704, 16065336, 18360384, 21420448, 32130672, 36720768, 42840896, 64261344, 85681792, 128522688, 257045376]

約数ペア:

[(1, 257045376), (2, 128522688), (3, 85681792), (4, 64261344), (6, 42840896), (7, 36720768), (8, 32130672), (12, 21420448), (14, 18360384), (16, 16065336), (19, 13528704), (21, 12240256), (24, 10710224), (28, 9180192), (32, 8032668), (38, 6764352), (42, 6120128), (48, 5355112), (49, 5245824), (56, 4590096), (57, 4509568), (64, 4016334), (76, 3382176), (84, 3060064), (96, 2677556), (98, 2622912), (112, 2295048), (114, 2254784), (128, 2008167), (133, 1932672), (147, 1748608), (152, 1691088), (168, 1530032), (192, 1338778), (196, 1311456), (224, 1147524), (228, 1127392), (266, 966336), (294, 874304), (304, 845544), (336, 765016), (384, 669389), (392, 655728), (399, 644224), (448, 573762), (456, 563696), (532, 483168), (588, 437152), (608, 422772), (672, 382508), (719, 357504), (784, 327864), (798, 322112), (896, 286881), (912, 281848), (931, 276096), (1064, 241584), (1176, 218576), (1216, 211386), (1344, 191254), (1438, 178752), (1568, 163932), (1596, 161056), (1824, 140924), (1862, 138048), (2128, 120792), (2157, 119168), (2352, 109288), (2432, 105693), (2688, 95627), (2793, 92032), (2876, 89376), (3136, 81966), (3192, 80528), (3648, 70462), (3724, 69024), (4256, 60396), (4314, 59584), (4704, 54644), (5033, 51072), (5586, 46016), (5752, 44688), (6272, 40983), (6384, 40264), (7296, 35231), (7448, 34512), (8512, 30198), (8628, 29792), (9408, 27322), (10066, 25536), (11172, 23008), (11504, 22344), (12768, 20132), (13661, 18816), (14896, 17256), (15099, 17024)]