2912285720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{4703}}^1$

素因数の和:4964

約数の個数: 64

約数和(自身を含む): 6660299520

約数和(自身を除く): 3748013800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 137, 226, 274, 452, 548, 565, 685, 904, 1096, 1130, 1370, 2260, 2740, 4520, 4703, 5480, 9406, 15481, 18812, 23515, 30962, 37624, 47030, 61924, 77405, 94060, 123848, 154810, 188120, 309620, 531439, 619240, 644311, 1062878, 1288622, 2125756, 2577244, 2657195, 3221555, 4251512, 5154488, 5314390, 6443110, 10628780, 12886220, 21257560, 25772440, 72807143, 145614286, 291228572, 364035715, 582457144, 728071430, 1456142860, 2912285720]

約数ペア:

[(1, 2912285720), (2, 1456142860), (4, 728071430), (5, 582457144), (8, 364035715), (10, 291228572), (20, 145614286), (40, 72807143), (113, 25772440), (137, 21257560), (226, 12886220), (274, 10628780), (452, 6443110), (548, 5314390), (565, 5154488), (685, 4251512), (904, 3221555), (1096, 2657195), (1130, 2577244), (1370, 2125756), (2260, 1288622), (2740, 1062878), (4520, 644311), (4703, 619240), (5480, 531439), (9406, 309620), (15481, 188120), (18812, 154810), (23515, 123848), (30962, 94060), (37624, 77405), (47030, 61924)]