317080280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{16759}}^1$

素因数の和:16824

約数の個数: 64

約数和(自身を含む): 796435200

約数和(自身を除く): 479354920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 16759, 18920, 33518, 67036, 83795, 134072, 167590, 184349, 335180, 368698, 670360, 720637, 737396, 921745, 1441274, 1474792, 1843490, 2882548, 3603185, 3686980, 5765096, 7206370, 7373960, 7927007, 14412740, 15854014, 28825480, 31708028, 39635035, 63416056, 79270070, 158540140, 317080280]

約数ペア:

[(1, 317080280), (2, 158540140), (4, 79270070), (5, 63416056), (8, 39635035), (10, 31708028), (11, 28825480), (20, 15854014), (22, 14412740), (40, 7927007), (43, 7373960), (44, 7206370), (55, 5765096), (86, 3686980), (88, 3603185), (110, 2882548), (172, 1843490), (215, 1474792), (220, 1441274), (344, 921745), (430, 737396), (440, 720637), (473, 670360), (860, 368698), (946, 335180), (1720, 184349), (1892, 167590), (2365, 134072), (3784, 83795), (4730, 67036), (9460, 33518), (16759, 18920)]