420781756

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 793945152

約数和(自身を除く): 373163396

約数列:

[1, 2, 4, 17, 34, 68, 101, 197, 202, 311, 394, 404, 622, 788, 1244, 1717, 3349, 3434, 5287, 6698, 6868, 10574, 13396, 19897, 21148, 31411, 39794, 61267, 62822, 79588, 122534, 125644, 245068, 338249, 533987, 676498, 1041539, 1067974, 1352996, 2083078, 2135948, 4166156, 6187967, 12375934, 24751868, 105195439, 210390878, 420781756]

約数ペア:

[(1, 420781756), (2, 210390878), (4, 105195439), (17, 24751868), (34, 12375934), (68, 6187967), (101, 4166156), (197, 2135948), (202, 2083078), (311, 1352996), (394, 1067974), (404, 1041539), (622, 676498), (788, 533987), (1244, 338249), (1717, 245068), (3349, 125644), (3434, 122534), (5287, 79588), (6698, 62822), (6868, 61267), (10574, 39794), (13396, 31411), (19897, 21148)]