338659840

素因数分解:

$2^9\times 5^1\times {\mathrm{263}}^1\times {\mathrm{503}}^1$

素因数の和:789

約数の個数: 80

約数和(自身を含む): 816697728

約数和(自身を除く): 478037888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 263, 320, 503, 512, 526, 640, 1006, 1052, 1280, 1315, 2012, 2104, 2515, 2560, 2630, 4024, 4208, 5030, 5260, 8048, 8416, 10060, 10520, 16096, 16832, 20120, 21040, 32192, 33664, 40240, 42080, 64384, 67328, 80480, 84160, 128768, 132289, 134656, 160960, 168320, 257536, 264578, 321920, 336640, 529156, 643840, 661445, 673280, 1058312, 1287680, 1322890, 2116624, 2645780, 4233248, 5291560, 8466496, 10583120, 16932992, 21166240, 33865984, 42332480, 67731968, 84664960, 169329920, 338659840]

約数ペア:

[(1, 338659840), (2, 169329920), (4, 84664960), (5, 67731968), (8, 42332480), (10, 33865984), (16, 21166240), (20, 16932992), (32, 10583120), (40, 8466496), (64, 5291560), (80, 4233248), (128, 2645780), (160, 2116624), (256, 1322890), (263, 1287680), (320, 1058312), (503, 673280), (512, 661445), (526, 643840), (640, 529156), (1006, 336640), (1052, 321920), (1280, 264578), (1315, 257536), (2012, 168320), (2104, 160960), (2515, 134656), (2560, 132289), (2630, 128768), (4024, 84160), (4208, 80480), (5030, 67328), (5260, 64384), (8048, 42080), (8416, 40240), (10060, 33664), (10520, 32192), (16096, 21040), (16832, 20120)]