209928264

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5059}}^1$

素因数の和:5107

約数の個数: 128

約数和(自身を含む): 680064000

約数和(自身を除く): 470135736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 182, 228, 247, 266, 273, 312, 364, 399, 456, 494, 532, 546, 728, 741, 798, 988, 1064, 1092, 1482, 1596, 1729, 1976, 2184, 2964, 3192, 3458, 5059, 5187, 5928, 6916, 10118, 10374, 13832, 15177, 20236, 20748, 30354, 35413, 40472, 41496, 60708, 65767, 70826, 96121, 106239, 121416, 131534, 141652, 192242, 197301, 212478, 263068, 283304, 288363, 384484, 394602, 424956, 460369, 526136, 576726, 672847, 768968, 789204, 849912, 920738, 1153452, 1249573, 1345694, 1381107, 1578408, 1841476, 2018541, 2306904, 2499146, 2691388, 2762214, 3682952, 3748719, 4037082, 4998292, 5382776, 5524428, 7497438, 8074164, 8747011, 9996584, 11048856, 14994876, 16148328, 17494022, 26241033, 29989752, 34988044, 52482066, 69976088, 104964132, 209928264]

約数ペア:

[(1, 209928264), (2, 104964132), (3, 69976088), (4, 52482066), (6, 34988044), (7, 29989752), (8, 26241033), (12, 17494022), (13, 16148328), (14, 14994876), (19, 11048856), (21, 9996584), (24, 8747011), (26, 8074164), (28, 7497438), (38, 5524428), (39, 5382776), (42, 4998292), (52, 4037082), (56, 3748719), (57, 3682952), (76, 2762214), (78, 2691388), (84, 2499146), (91, 2306904), (104, 2018541), (114, 1841476), (133, 1578408), (152, 1381107), (156, 1345694), (168, 1249573), (182, 1153452), (228, 920738), (247, 849912), (266, 789204), (273, 768968), (312, 672847), (364, 576726), (399, 526136), (456, 460369), (494, 424956), (532, 394602), (546, 384484), (728, 288363), (741, 283304), (798, 263068), (988, 212478), (1064, 197301), (1092, 192242), (1482, 141652), (1596, 131534), (1729, 121416), (1976, 106239), (2184, 96121), (2964, 70826), (3192, 65767), (3458, 60708), (5059, 41496), (5187, 40472), (5928, 35413), (6916, 30354), (10118, 20748), (10374, 20236), (13832, 15177)]