219707964

素因数分解:

$2^2\times 3^5\times 7^3\times {\mathrm{659}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 672672000

約数和(自身を除く): 452964036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 343, 378, 441, 486, 567, 588, 659, 686, 756, 882, 972, 1029, 1134, 1318, 1323, 1372, 1701, 1764, 1977, 2058, 2268, 2636, 2646, 3087, 3402, 3954, 3969, 4116, 4613, 5292, 5931, 6174, 6804, 7908, 7938, 9226, 9261, 11862, 11907, 12348, 13839, 15876, 17793, 18452, 18522, 23724, 23814, 27678, 27783, 32291, 35586, 37044, 41517, 47628, 53379, 55356, 55566, 64582, 71172, 83034, 83349, 96873, 106758, 111132, 124551, 129164, 160137, 166068, 166698, 193746, 213516, 226037, 249102, 290619, 320274, 333396, 373653, 387492, 452074, 498204, 581238, 640548, 678111, 747306, 871857, 904148, 1120959, 1162476, 1356222, 1494612, 1743714, 2034333, 2241918, 2615571, 2712444, 3487428, 4068666, 4483836, 5231142, 6102999, 7846713, 8137332, 10462284, 12205998, 15693426, 18308997, 24411996, 31386852, 36617994, 54926991, 73235988, 109853982, 219707964]

約数ペア:

[(1, 219707964), (2, 109853982), (3, 73235988), (4, 54926991), (6, 36617994), (7, 31386852), (9, 24411996), (12, 18308997), (14, 15693426), (18, 12205998), (21, 10462284), (27, 8137332), (28, 7846713), (36, 6102999), (42, 5231142), (49, 4483836), (54, 4068666), (63, 3487428), (81, 2712444), (84, 2615571), (98, 2241918), (108, 2034333), (126, 1743714), (147, 1494612), (162, 1356222), (189, 1162476), (196, 1120959), (243, 904148), (252, 871857), (294, 747306), (324, 678111), (343, 640548), (378, 581238), (441, 498204), (486, 452074), (567, 387492), (588, 373653), (659, 333396), (686, 320274), (756, 290619), (882, 249102), (972, 226037), (1029, 213516), (1134, 193746), (1318, 166698), (1323, 166068), (1372, 160137), (1701, 129164), (1764, 124551), (1977, 111132), (2058, 106758), (2268, 96873), (2636, 83349), (2646, 83034), (3087, 71172), (3402, 64582), (3954, 55566), (3969, 55356), (4116, 53379), (4613, 47628), (5292, 41517), (5931, 37044), (6174, 35586), (6804, 32291), (7908, 27783), (7938, 27678), (9226, 23814), (9261, 23724), (11862, 18522), (11907, 18452), (12348, 17793), (13839, 15876)]