400394016

素因数分解:

$2^5\times 3^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 288

約数和(自身を含む): 1338494976

約数和(自身を除く): 938100960

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 31, 32, 33, 36, 44, 48, 54, 62, 66, 72, 81, 88, 93, 96, 99, 108, 124, 132, 144, 151, 162, 176, 186, 198, 216, 243, 248, 264, 279, 288, 297, 302, 324, 341, 352, 372, 396, 432, 453, 486, 496, 528, 558, 594, 604, 648, 682, 744, 792, 837, 864, 891, 906, 972, 992, 1023, 1056, 1116, 1188, 1208, 1296, 1359, 1364, 1488, 1584, 1661, 1674, 1782, 1812, 1944, 2046, 2232, 2376, 2416, 2511, 2592, 2673, 2718, 2728, 2976, 3069, 3168, 3322, 3348, 3564, 3624, 3888, 4077, 4092, 4464, 4681, 4752, 4832, 4983, 5022, 5346, 5436, 5456, 6138, 6644, 6696, 7128, 7248, 7533, 7776, 8154, 8184, 8928, 9207, 9362, 9504, 9966, 10044, 10692, 10872, 10912, 12231, 12276, 13288, 13392, 14043, 14256, 14496, 14949, 15066, 16308, 16368, 18414, 18724, 19932, 20088, 21384, 21744, 24462, 24552, 26576, 26784, 27621, 28086, 28512, 29898, 30132, 32616, 32736, 36693, 36828, 37448, 39864, 40176, 42129, 42768, 43488, 44847, 48924, 49104, 51491, 53152, 55242, 56172, 59796, 60264, 65232, 73386, 73656, 74896, 79728, 80352, 82863, 84258, 85536, 89694, 97848, 98208, 102982, 110484, 112344, 119592, 120528, 126387, 130464, 134541, 146772, 147312, 149792, 154473, 159456, 165726, 168516, 179388, 195696, 205964, 220968, 224688, 239184, 241056, 252774, 269082, 293544, 294624, 308946, 331452, 337032, 358776, 379161, 391392, 403623, 411928, 441936, 449376, 463419, 478368, 505548, 538164, 587088, 617892, 662904, 674064, 717552, 758322, 807246, 823856, 883872, 926838, 1011096, 1076328, 1137483, 1174176, 1235784, 1325808, 1348128, 1390257, 1435104, 1516644, 1614492, 1647712, 1853676, 2022192, 2152656, 2274966, 2471568, 2651616, 2780514, 3033288, 3228984, 3707352, 4044384, 4170771, 4305312, 4549932, 4943136, 5561028, 6066576, 6457968, 7414704, 8341542, 9099864, 11122056, 12133152, 12512313, 12915936, 14829408, 16683084, 18199728, 22244112, 25024626, 33366168, 36399456, 44488224, 50049252, 66732336, 100098504, 133464672, 200197008, 400394016]

約数ペア:

[(1, 400394016), (2, 200197008), (3, 133464672), (4, 100098504), (6, 66732336), (8, 50049252), (9, 44488224), (11, 36399456), (12, 33366168), (16, 25024626), (18, 22244112), (22, 18199728), (24, 16683084), (27, 14829408), (31, 12915936), (32, 12512313), (33, 12133152), (36, 11122056), (44, 9099864), (48, 8341542), (54, 7414704), (62, 6457968), (66, 6066576), (72, 5561028), (81, 4943136), (88, 4549932), (93, 4305312), (96, 4170771), (99, 4044384), (108, 3707352), (124, 3228984), (132, 3033288), (144, 2780514), (151, 2651616), (162, 2471568), (176, 2274966), (186, 2152656), (198, 2022192), (216, 1853676), (243, 1647712), (248, 1614492), (264, 1516644), (279, 1435104), (288, 1390257), (297, 1348128), (302, 1325808), (324, 1235784), (341, 1174176), (352, 1137483), (372, 1076328), (396, 1011096), (432, 926838), (453, 883872), (486, 823856), (496, 807246), (528, 758322), (558, 717552), (594, 674064), (604, 662904), (648, 617892), (682, 587088), (744, 538164), (792, 505548), (837, 478368), (864, 463419), (891, 449376), (906, 441936), (972, 411928), (992, 403623), (1023, 391392), (1056, 379161), (1116, 358776), (1188, 337032), (1208, 331452), (1296, 308946), (1359, 294624), (1364, 293544), (1488, 269082), (1584, 252774), (1661, 241056), (1674, 239184), (1782, 224688), (1812, 220968), (1944, 205964), (2046, 195696), (2232, 179388), (2376, 168516), (2416, 165726), (2511, 159456), (2592, 154473), (2673, 149792), (2718, 147312), (2728, 146772), (2976, 134541), (3069, 130464), (3168, 126387), (3322, 120528), (3348, 119592), (3564, 112344), (3624, 110484), (3888, 102982), (4077, 98208), (4092, 97848), (4464, 89694), (4681, 85536), (4752, 84258), (4832, 82863), (4983, 80352), (5022, 79728), (5346, 74896), (5436, 73656), (5456, 73386), (6138, 65232), (6644, 60264), (6696, 59796), (7128, 56172), (7248, 55242), (7533, 53152), (7776, 51491), (8154, 49104), (8184, 48924), (8928, 44847), (9207, 43488), (9362, 42768), (9504, 42129), (9966, 40176), (10044, 39864), (10692, 37448), (10872, 36828), (10912, 36693), (12231, 32736), (12276, 32616), (13288, 30132), (13392, 29898), (14043, 28512), (14256, 28086), (14496, 27621), (14949, 26784), (15066, 26576), (16308, 24552), (16368, 24462), (18414, 21744), (18724, 21384), (19932, 20088)]