171774440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2861}}^1$

素因数の和:2970

約数の個数: 64

約数和(自身を含む): 412128000

約数和(自身を除く): 240353560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 2861, 3002, 3160, 5722, 6004, 7505, 11444, 12008, 14305, 15010, 22888, 28610, 30020, 54359, 57220, 60040, 108718, 114440, 217436, 226019, 271795, 434872, 452038, 543590, 904076, 1087180, 1130095, 1808152, 2174360, 2260190, 4294361, 4520380, 8588722, 9040760, 17177444, 21471805, 34354888, 42943610, 85887220, 171774440]

約数ペア:

[(1, 171774440), (2, 85887220), (4, 42943610), (5, 34354888), (8, 21471805), (10, 17177444), (19, 9040760), (20, 8588722), (38, 4520380), (40, 4294361), (76, 2260190), (79, 2174360), (95, 1808152), (152, 1130095), (158, 1087180), (190, 904076), (316, 543590), (380, 452038), (395, 434872), (632, 271795), (760, 226019), (790, 217436), (1501, 114440), (1580, 108718), (2861, 60040), (3002, 57220), (3160, 54359), (5722, 30020), (6004, 28610), (7505, 22888), (11444, 15010), (12008, 14305)]