71561030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 139409424

約数和(自身を除く): 67848394

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 361, 430, 461, 722, 817, 922, 1634, 1805, 2305, 3610, 4085, 4610, 8170, 8759, 15523, 17518, 19823, 31046, 39646, 43795, 77615, 87590, 99115, 155230, 166421, 198230, 332842, 376637, 753274, 832105, 1664210, 1883185, 3766370, 7156103, 14312206, 35780515, 71561030]

約数ペア:

[(1, 71561030), (2, 35780515), (5, 14312206), (10, 7156103), (19, 3766370), (38, 1883185), (43, 1664210), (86, 832105), (95, 753274), (190, 376637), (215, 332842), (361, 198230), (430, 166421), (461, 155230), (722, 99115), (817, 87590), (922, 77615), (1634, 43795), (1805, 39646), (2305, 31046), (3610, 19823), (4085, 17518), (4610, 15523), (8170, 8759)]