251921376

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 288

約数和(自身を含む): 880588800

約数和(自身を除く): 628667424

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 31, 32, 36, 42, 48, 56, 58, 62, 63, 72, 84, 87, 93, 96, 112, 116, 124, 126, 139, 144, 168, 174, 186, 203, 217, 224, 232, 248, 252, 261, 278, 279, 288, 336, 348, 372, 406, 417, 434, 464, 496, 504, 522, 556, 558, 609, 651, 672, 696, 744, 812, 834, 868, 899, 928, 973, 992, 1008, 1044, 1112, 1116, 1218, 1251, 1302, 1392, 1488, 1624, 1668, 1736, 1798, 1827, 1946, 1953, 2016, 2088, 2224, 2232, 2436, 2502, 2604, 2697, 2784, 2919, 2976, 3248, 3336, 3472, 3596, 3654, 3892, 3906, 4031, 4176, 4309, 4448, 4464, 4872, 5004, 5208, 5394, 5838, 6293, 6496, 6672, 6944, 7192, 7308, 7784, 7812, 8062, 8091, 8352, 8618, 8757, 8928, 9744, 10008, 10416, 10788, 11676, 12093, 12586, 12927, 13344, 14384, 14616, 15568, 15624, 16124, 16182, 17236, 17514, 18879, 19488, 20016, 20832, 21576, 23352, 24186, 25172, 25854, 28217, 28768, 29232, 30163, 31136, 31248, 32248, 32364, 34472, 35028, 36279, 37758, 38781, 40032, 43152, 46704, 48372, 50344, 51708, 56434, 56637, 58464, 60326, 62496, 64496, 64728, 68944, 70056, 72558, 75516, 77562, 84651, 86304, 90489, 93408, 96744, 100688, 103416, 112868, 113274, 120652, 124961, 128992, 129456, 137888, 140112, 145116, 151032, 155124, 169302, 180978, 193488, 201376, 206832, 225736, 226548, 241304, 249922, 253953, 258912, 271467, 280224, 290232, 302064, 310248, 338604, 361956, 374883, 386976, 413664, 451472, 453096, 482608, 499844, 507906, 542934, 580464, 604128, 620496, 677208, 723912, 749766, 874727, 902944, 906192, 965216, 999688, 1015812, 1085868, 1124649, 1160928, 1240992, 1354416, 1447824, 1499532, 1749454, 1812384, 1999376, 2031624, 2171736, 2249298, 2624181, 2708832, 2895648, 2999064, 3498908, 3998752, 4063248, 4343472, 4498596, 5248362, 5998128, 6997816, 7872543, 8126496, 8686944, 8997192, 10496724, 11996256, 13995632, 15745086, 17994384, 20993448, 27991264, 31490172, 35988768, 41986896, 62980344, 83973792, 125960688, 251921376]

約数ペア:

[(1, 251921376), (2, 125960688), (3, 83973792), (4, 62980344), (6, 41986896), (7, 35988768), (8, 31490172), (9, 27991264), (12, 20993448), (14, 17994384), (16, 15745086), (18, 13995632), (21, 11996256), (24, 10496724), (28, 8997192), (29, 8686944), (31, 8126496), (32, 7872543), (36, 6997816), (42, 5998128), (48, 5248362), (56, 4498596), (58, 4343472), (62, 4063248), (63, 3998752), (72, 3498908), (84, 2999064), (87, 2895648), (93, 2708832), (96, 2624181), (112, 2249298), (116, 2171736), (124, 2031624), (126, 1999376), (139, 1812384), (144, 1749454), (168, 1499532), (174, 1447824), (186, 1354416), (203, 1240992), (217, 1160928), (224, 1124649), (232, 1085868), (248, 1015812), (252, 999688), (261, 965216), (278, 906192), (279, 902944), (288, 874727), (336, 749766), (348, 723912), (372, 677208), (406, 620496), (417, 604128), (434, 580464), (464, 542934), (496, 507906), (504, 499844), (522, 482608), (556, 453096), (558, 451472), (609, 413664), (651, 386976), (672, 374883), (696, 361956), (744, 338604), (812, 310248), (834, 302064), (868, 290232), (899, 280224), (928, 271467), (973, 258912), (992, 253953), (1008, 249922), (1044, 241304), (1112, 226548), (1116, 225736), (1218, 206832), (1251, 201376), (1302, 193488), (1392, 180978), (1488, 169302), (1624, 155124), (1668, 151032), (1736, 145116), (1798, 140112), (1827, 137888), (1946, 129456), (1953, 128992), (2016, 124961), (2088, 120652), (2224, 113274), (2232, 112868), (2436, 103416), (2502, 100688), (2604, 96744), (2697, 93408), (2784, 90489), (2919, 86304), (2976, 84651), (3248, 77562), (3336, 75516), (3472, 72558), (3596, 70056), (3654, 68944), (3892, 64728), (3906, 64496), (4031, 62496), (4176, 60326), (4309, 58464), (4448, 56637), (4464, 56434), (4872, 51708), (5004, 50344), (5208, 48372), (5394, 46704), (5838, 43152), (6293, 40032), (6496, 38781), (6672, 37758), (6944, 36279), (7192, 35028), (7308, 34472), (7784, 32364), (7812, 32248), (8062, 31248), (8091, 31136), (8352, 30163), (8618, 29232), (8757, 28768), (8928, 28217), (9744, 25854), (10008, 25172), (10416, 24186), (10788, 23352), (11676, 21576), (12093, 20832), (12586, 20016), (12927, 19488), (13344, 18879), (14384, 17514), (14616, 17236), (15568, 16182), (15624, 16124)]