398315232

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{757}}^1$

素因数の和:815

約数の個数: 240

約数和(自身を含む): 1386776160

約数和(自身を除く): 988460928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 32, 36, 42, 48, 54, 56, 58, 63, 72, 81, 84, 87, 96, 108, 112, 116, 126, 144, 162, 168, 174, 189, 203, 216, 224, 232, 252, 261, 288, 324, 336, 348, 378, 406, 432, 464, 504, 522, 567, 609, 648, 672, 696, 756, 757, 783, 812, 864, 928, 1008, 1044, 1134, 1218, 1296, 1392, 1512, 1514, 1566, 1624, 1827, 2016, 2088, 2268, 2271, 2349, 2436, 2592, 2784, 3024, 3028, 3132, 3248, 3654, 4176, 4536, 4542, 4698, 4872, 5299, 5481, 6048, 6056, 6264, 6496, 6813, 7308, 8352, 9072, 9084, 9396, 9744, 10598, 10962, 12112, 12528, 13626, 14616, 15897, 16443, 18144, 18168, 18792, 19488, 20439, 21196, 21924, 21953, 24224, 25056, 27252, 29232, 31794, 32886, 36336, 37584, 40878, 42392, 43848, 43906, 47691, 54504, 58464, 61317, 63588, 65772, 65859, 72672, 75168, 81756, 84784, 87696, 87812, 95382, 109008, 122634, 127176, 131544, 131718, 143073, 153671, 163512, 169568, 175392, 175624, 190764, 197577, 218016, 245268, 254352, 263088, 263436, 286146, 307342, 327024, 351248, 381528, 395154, 429219, 461013, 490536, 508704, 526176, 526872, 572292, 592731, 614684, 654048, 702496, 763056, 790308, 858438, 922026, 981072, 1053744, 1144584, 1185462, 1229368, 1383039, 1526112, 1580616, 1716876, 1778193, 1844052, 1962144, 2107488, 2289168, 2370924, 2458736, 2766078, 3161232, 3433752, 3556386, 3688104, 4149117, 4578336, 4741848, 4917472, 5532156, 6322464, 6867504, 7112772, 7376208, 8298234, 9483696, 11064312, 12447351, 13735008, 14225544, 14752416, 16596468, 18967392, 22128624, 24894702, 28451088, 33192936, 44257248, 49789404, 56902176, 66385872, 99578808, 132771744, 199157616, 398315232]

約数ペア:

[(1, 398315232), (2, 199157616), (3, 132771744), (4, 99578808), (6, 66385872), (7, 56902176), (8, 49789404), (9, 44257248), (12, 33192936), (14, 28451088), (16, 24894702), (18, 22128624), (21, 18967392), (24, 16596468), (27, 14752416), (28, 14225544), (29, 13735008), (32, 12447351), (36, 11064312), (42, 9483696), (48, 8298234), (54, 7376208), (56, 7112772), (58, 6867504), (63, 6322464), (72, 5532156), (81, 4917472), (84, 4741848), (87, 4578336), (96, 4149117), (108, 3688104), (112, 3556386), (116, 3433752), (126, 3161232), (144, 2766078), (162, 2458736), (168, 2370924), (174, 2289168), (189, 2107488), (203, 1962144), (216, 1844052), (224, 1778193), (232, 1716876), (252, 1580616), (261, 1526112), (288, 1383039), (324, 1229368), (336, 1185462), (348, 1144584), (378, 1053744), (406, 981072), (432, 922026), (464, 858438), (504, 790308), (522, 763056), (567, 702496), (609, 654048), (648, 614684), (672, 592731), (696, 572292), (756, 526872), (757, 526176), (783, 508704), (812, 490536), (864, 461013), (928, 429219), (1008, 395154), (1044, 381528), (1134, 351248), (1218, 327024), (1296, 307342), (1392, 286146), (1512, 263436), (1514, 263088), (1566, 254352), (1624, 245268), (1827, 218016), (2016, 197577), (2088, 190764), (2268, 175624), (2271, 175392), (2349, 169568), (2436, 163512), (2592, 153671), (2784, 143073), (3024, 131718), (3028, 131544), (3132, 127176), (3248, 122634), (3654, 109008), (4176, 95382), (4536, 87812), (4542, 87696), (4698, 84784), (4872, 81756), (5299, 75168), (5481, 72672), (6048, 65859), (6056, 65772), (6264, 63588), (6496, 61317), (6813, 58464), (7308, 54504), (8352, 47691), (9072, 43906), (9084, 43848), (9396, 42392), (9744, 40878), (10598, 37584), (10962, 36336), (12112, 32886), (12528, 31794), (13626, 29232), (14616, 27252), (15897, 25056), (16443, 24224), (18144, 21953), (18168, 21924), (18792, 21196), (19488, 20439)]