40044004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 96074496

約数和(自身を除く): 56030492

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 73, 77, 91, 137, 143, 146, 154, 182, 274, 286, 292, 308, 364, 511, 548, 572, 803, 949, 959, 1001, 1022, 1507, 1606, 1781, 1898, 1918, 2002, 2044, 3014, 3212, 3562, 3796, 3836, 4004, 5621, 6028, 6643, 7124, 10001, 10439, 10549, 11242, 12467, 13286, 19591, 20002, 20878, 21098, 22484, 24934, 26572, 39182, 40004, 41756, 42196, 49868, 70007, 73073, 78364, 110011, 130013, 137137, 140014, 146146, 220022, 260026, 274274, 280028, 292292, 440044, 520052, 548548, 770077, 910091, 1430143, 1540154, 1820182, 2860286, 3080308, 3640364, 5720572, 10011001, 20022002, 40044004]

約数ペア:

[(1, 40044004), (2, 20022002), (4, 10011001), (7, 5720572), (11, 3640364), (13, 3080308), (14, 2860286), (22, 1820182), (26, 1540154), (28, 1430143), (44, 910091), (52, 770077), (73, 548548), (77, 520052), (91, 440044), (137, 292292), (143, 280028), (146, 274274), (154, 260026), (182, 220022), (274, 146146), (286, 140014), (292, 137137), (308, 130013), (364, 110011), (511, 78364), (548, 73073), (572, 70007), (803, 49868), (949, 42196), (959, 41756), (1001, 40004), (1022, 39182), (1507, 26572), (1606, 24934), (1781, 22484), (1898, 21098), (1918, 20878), (2002, 20002), (2044, 19591), (3014, 13286), (3212, 12467), (3562, 11242), (3796, 10549), (3836, 10439), (4004, 10001), (5621, 7124), (6028, 6643)]