280780192

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 714292992

約数和(自身を除く): 433512800

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 73, 77, 88, 98, 112, 146, 154, 176, 196, 223, 224, 292, 308, 352, 392, 446, 511, 539, 584, 616, 784, 803, 892, 1022, 1078, 1168, 1232, 1561, 1568, 1606, 1784, 2044, 2156, 2336, 2453, 2464, 3122, 3212, 3568, 3577, 4088, 4312, 4906, 5621, 6244, 6424, 7136, 7154, 8176, 8624, 9812, 10927, 11242, 12488, 12848, 14308, 16279, 16352, 17171, 17248, 19624, 21854, 22484, 24976, 25696, 28616, 32558, 34342, 39248, 39347, 43708, 44968, 49952, 57232, 65116, 68684, 78496, 78694, 87416, 89936, 113953, 114464, 120197, 130232, 137368, 157388, 174832, 179069, 179872, 227906, 240394, 260464, 274736, 314776, 349664, 358138, 455812, 480788, 520928, 549472, 629552, 716276, 797671, 911624, 961576, 1253483, 1259104, 1432552, 1595342, 1823248, 1923152, 2506966, 2865104, 3190684, 3646496, 3846304, 5013932, 5730208, 6381368, 8774381, 10027864, 12762736, 17548762, 20055728, 25525472, 35097524, 40111456, 70195048, 140390096, 280780192]

約数ペア:

[(1, 280780192), (2, 140390096), (4, 70195048), (7, 40111456), (8, 35097524), (11, 25525472), (14, 20055728), (16, 17548762), (22, 12762736), (28, 10027864), (32, 8774381), (44, 6381368), (49, 5730208), (56, 5013932), (73, 3846304), (77, 3646496), (88, 3190684), (98, 2865104), (112, 2506966), (146, 1923152), (154, 1823248), (176, 1595342), (196, 1432552), (223, 1259104), (224, 1253483), (292, 961576), (308, 911624), (352, 797671), (392, 716276), (446, 629552), (511, 549472), (539, 520928), (584, 480788), (616, 455812), (784, 358138), (803, 349664), (892, 314776), (1022, 274736), (1078, 260464), (1168, 240394), (1232, 227906), (1561, 179872), (1568, 179069), (1606, 174832), (1784, 157388), (2044, 137368), (2156, 130232), (2336, 120197), (2453, 114464), (2464, 113953), (3122, 89936), (3212, 87416), (3568, 78694), (3577, 78496), (4088, 68684), (4312, 65116), (4906, 57232), (5621, 49952), (6244, 44968), (6424, 43708), (7136, 39347), (7154, 39248), (8176, 34342), (8624, 32558), (9812, 28616), (10927, 25696), (11242, 24976), (12488, 22484), (12848, 21854), (14308, 19624), (16279, 17248), (16352, 17171)]