2149482020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2029}}^1$

素因数の和:2122

約数の個数: 144

約数和(自身を含む): 5598512640

約数和(自身を除く): 3449030620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 47, 49, 70, 92, 94, 98, 115, 140, 161, 188, 196, 230, 235, 245, 322, 329, 460, 470, 490, 644, 658, 805, 940, 980, 1081, 1127, 1316, 1610, 1645, 2029, 2162, 2254, 2303, 3220, 3290, 4058, 4324, 4508, 4606, 5405, 5635, 6580, 7567, 8116, 9212, 10145, 10810, 11270, 11515, 14203, 15134, 20290, 21620, 22540, 23030, 28406, 30268, 37835, 40580, 46060, 46667, 52969, 56812, 71015, 75670, 93334, 95363, 99421, 105938, 142030, 151340, 186668, 190726, 198842, 211876, 233335, 264845, 284060, 326669, 381452, 397684, 466670, 476815, 497105, 529690, 653338, 667541, 933340, 953630, 994210, 1059380, 1306676, 1335082, 1633345, 1907260, 1988420, 2193349, 2286683, 2670164, 3266690, 3337705, 4386698, 4573366, 4672787, 6533380, 6675410, 8773396, 9146732, 9345574, 10966745, 11433415, 13350820, 15353443, 18691148, 21933490, 22866830, 23363935, 30706886, 43866980, 45733660, 46727870, 61413772, 76767215, 93455740, 107474101, 153534430, 214948202, 307068860, 429896404, 537370505, 1074741010, 2149482020]

約数ペア:

[(1, 2149482020), (2, 1074741010), (4, 537370505), (5, 429896404), (7, 307068860), (10, 214948202), (14, 153534430), (20, 107474101), (23, 93455740), (28, 76767215), (35, 61413772), (46, 46727870), (47, 45733660), (49, 43866980), (70, 30706886), (92, 23363935), (94, 22866830), (98, 21933490), (115, 18691148), (140, 15353443), (161, 13350820), (188, 11433415), (196, 10966745), (230, 9345574), (235, 9146732), (245, 8773396), (322, 6675410), (329, 6533380), (460, 4672787), (470, 4573366), (490, 4386698), (644, 3337705), (658, 3266690), (805, 2670164), (940, 2286683), (980, 2193349), (1081, 1988420), (1127, 1907260), (1316, 1633345), (1610, 1335082), (1645, 1306676), (2029, 1059380), (2162, 994210), (2254, 953630), (2303, 933340), (3220, 667541), (3290, 653338), (4058, 529690), (4324, 497105), (4508, 476815), (4606, 466670), (5405, 397684), (5635, 381452), (6580, 326669), (7567, 284060), (8116, 264845), (9212, 233335), (10145, 211876), (10810, 198842), (11270, 190726), (11515, 186668), (14203, 151340), (15134, 142030), (20290, 105938), (21620, 99421), (22540, 95363), (23030, 93334), (28406, 75670), (30268, 71015), (37835, 56812), (40580, 52969), (46060, 46667)]