2008784470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89959}}^1$

素因数の和:90013

約数の個数: 64

約数和(自身を含む): 4663526400

約数和(自身を除く): 2654741930

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 29, 35, 55, 58, 70, 77, 110, 145, 154, 203, 290, 319, 385, 406, 638, 770, 1015, 1595, 2030, 2233, 3190, 4466, 11165, 22330, 89959, 179918, 449795, 629713, 899590, 989549, 1259426, 1979098, 2608811, 3148565, 4947745, 5217622, 6297130, 6926843, 9895490, 13044055, 13853686, 18261677, 26088110, 28696921, 34634215, 36523354, 57393842, 69268430, 91308385, 143484605, 182616770, 200878447, 286969210, 401756894, 1004392235, 2008784470]

約数ペア:

[(1, 2008784470), (2, 1004392235), (5, 401756894), (7, 286969210), (10, 200878447), (11, 182616770), (14, 143484605), (22, 91308385), (29, 69268430), (35, 57393842), (55, 36523354), (58, 34634215), (70, 28696921), (77, 26088110), (110, 18261677), (145, 13853686), (154, 13044055), (203, 9895490), (290, 6926843), (319, 6297130), (385, 5217622), (406, 4947745), (638, 3148565), (770, 2608811), (1015, 1979098), (1595, 1259426), (2030, 989549), (2233, 899590), (3190, 629713), (4466, 449795), (11165, 179918), (22330, 89959)]