201811568

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:694

約数の個数: 80

約数和(自身を含む): 470208000

約数和(自身を除く): 268396432

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 157, 161, 184, 314, 322, 368, 499, 628, 644, 998, 1099, 1256, 1288, 1996, 2198, 2512, 2576, 3493, 3611, 3992, 4396, 6986, 7222, 7984, 8792, 11477, 13972, 14444, 17584, 22954, 25277, 27944, 28888, 45908, 50554, 55888, 57776, 78343, 80339, 91816, 101108, 156686, 160678, 183632, 202216, 313372, 321356, 404432, 548401, 626744, 642712, 1096802, 1253488, 1285424, 1801889, 2193604, 3603778, 4387208, 7207556, 8774416, 12613223, 14415112, 25226446, 28830224, 50452892, 100905784, 201811568]

約数ペア:

[(1, 201811568), (2, 100905784), (4, 50452892), (7, 28830224), (8, 25226446), (14, 14415112), (16, 12613223), (23, 8774416), (28, 7207556), (46, 4387208), (56, 3603778), (92, 2193604), (112, 1801889), (157, 1285424), (161, 1253488), (184, 1096802), (314, 642712), (322, 626744), (368, 548401), (499, 404432), (628, 321356), (644, 313372), (998, 202216), (1099, 183632), (1256, 160678), (1288, 156686), (1996, 101108), (2198, 91816), (2512, 80339), (2576, 78343), (3493, 57776), (3611, 55888), (3992, 50554), (4396, 45908), (6986, 28888), (7222, 27944), (7984, 25277), (8792, 22954), (11477, 17584), (13972, 14444)]