398220256

素因数分解:

$2^5\times 7^4\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 120

約数和(自身を含む): 940194864

約数和(自身を除く): 541974608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 71, 73, 98, 112, 142, 146, 196, 224, 284, 292, 343, 392, 497, 511, 568, 584, 686, 784, 994, 1022, 1136, 1168, 1372, 1568, 1988, 2044, 2272, 2336, 2401, 2744, 3479, 3577, 3976, 4088, 4802, 5183, 5488, 6958, 7154, 7952, 8176, 9604, 10366, 10976, 13916, 14308, 15904, 16352, 19208, 20732, 24353, 25039, 27832, 28616, 36281, 38416, 41464, 48706, 50078, 55664, 57232, 72562, 76832, 82928, 97412, 100156, 111328, 114464, 145124, 165856, 170471, 175273, 194824, 200312, 253967, 290248, 340942, 350546, 389648, 400624, 507934, 580496, 681884, 701092, 779296, 801248, 1015868, 1160992, 1363768, 1402184, 1777769, 2031736, 2727536, 2804368, 3555538, 4063472, 5455072, 5608736, 7111076, 8126944, 12444383, 14222152, 24888766, 28444304, 49777532, 56888608, 99555064, 199110128, 398220256]

約数ペア:

[(1, 398220256), (2, 199110128), (4, 99555064), (7, 56888608), (8, 49777532), (14, 28444304), (16, 24888766), (28, 14222152), (32, 12444383), (49, 8126944), (56, 7111076), (71, 5608736), (73, 5455072), (98, 4063472), (112, 3555538), (142, 2804368), (146, 2727536), (196, 2031736), (224, 1777769), (284, 1402184), (292, 1363768), (343, 1160992), (392, 1015868), (497, 801248), (511, 779296), (568, 701092), (584, 681884), (686, 580496), (784, 507934), (994, 400624), (1022, 389648), (1136, 350546), (1168, 340942), (1372, 290248), (1568, 253967), (1988, 200312), (2044, 194824), (2272, 175273), (2336, 170471), (2401, 165856), (2744, 145124), (3479, 114464), (3577, 111328), (3976, 100156), (4088, 97412), (4802, 82928), (5183, 76832), (5488, 72562), (6958, 57232), (7154, 55664), (7952, 50078), (8176, 48706), (9604, 41464), (10366, 38416), (10976, 36281), (13916, 28616), (14308, 27832), (15904, 25039), (16352, 24353), (19208, 20732)]