81535300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10589}}^1$

素因数の和:10621

約数の個数: 72

約数和(自身を含む): 220610880

約数和(自身を除く): 139075580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 10589, 21178, 42356, 52945, 74123, 105890, 116479, 148246, 211780, 232958, 264725, 296492, 370615, 465916, 529450, 582395, 741230, 815353, 1058900, 1164790, 1482460, 1630706, 1853075, 2329580, 2911975, 3261412, 3706150, 4076765, 5823950, 7412300, 8153530, 11647900, 16307060, 20383825, 40767650, 81535300]

約数ペア:

[(1, 81535300), (2, 40767650), (4, 20383825), (5, 16307060), (7, 11647900), (10, 8153530), (11, 7412300), (14, 5823950), (20, 4076765), (22, 3706150), (25, 3261412), (28, 2911975), (35, 2329580), (44, 1853075), (50, 1630706), (55, 1482460), (70, 1164790), (77, 1058900), (100, 815353), (110, 741230), (140, 582395), (154, 529450), (175, 465916), (220, 370615), (275, 296492), (308, 264725), (350, 232958), (385, 211780), (550, 148246), (700, 116479), (770, 105890), (1100, 74123), (1540, 52945), (1925, 42356), (3850, 21178), (7700, 10589)]