221674608

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:639

約数の個数: 120

約数和(自身を含む): 648991200

約数和(自身を除く): 427316592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 109, 116, 144, 174, 218, 232, 261, 327, 348, 436, 464, 487, 522, 654, 696, 872, 974, 981, 1044, 1308, 1392, 1461, 1744, 1948, 1962, 2088, 2616, 2922, 3161, 3896, 3924, 4176, 4383, 5232, 5844, 6322, 7792, 7848, 8766, 9483, 11688, 12644, 14123, 15696, 17532, 18966, 23376, 25288, 28246, 28449, 35064, 37932, 42369, 50576, 53083, 56492, 56898, 70128, 75864, 84738, 106166, 112984, 113796, 127107, 151728, 159249, 169476, 212332, 225968, 227592, 254214, 318498, 338952, 424664, 455184, 477747, 508428, 636996, 677904, 849328, 955494, 1016856, 1273992, 1539407, 1910988, 2033712, 2547984, 3078814, 3821976, 4618221, 6157628, 7643952, 9236442, 12315256, 13854663, 18472884, 24630512, 27709326, 36945768, 55418652, 73891536, 110837304, 221674608]

約数ペア:

[(1, 221674608), (2, 110837304), (3, 73891536), (4, 55418652), (6, 36945768), (8, 27709326), (9, 24630512), (12, 18472884), (16, 13854663), (18, 12315256), (24, 9236442), (29, 7643952), (36, 6157628), (48, 4618221), (58, 3821976), (72, 3078814), (87, 2547984), (109, 2033712), (116, 1910988), (144, 1539407), (174, 1273992), (218, 1016856), (232, 955494), (261, 849328), (327, 677904), (348, 636996), (436, 508428), (464, 477747), (487, 455184), (522, 424664), (654, 338952), (696, 318498), (872, 254214), (974, 227592), (981, 225968), (1044, 212332), (1308, 169476), (1392, 159249), (1461, 151728), (1744, 127107), (1948, 113796), (1962, 112984), (2088, 106166), (2616, 84738), (2922, 75864), (3161, 70128), (3896, 56898), (3924, 56492), (4176, 53083), (4383, 50576), (5232, 42369), (5844, 37932), (6322, 35064), (7792, 28449), (7848, 28246), (8766, 25288), (9483, 23376), (11688, 18966), (12644, 17532), (14123, 15696)]