219767568

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 641208960

約数和(自身を除く): 421441392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 34, 37, 48, 51, 58, 68, 74, 87, 102, 111, 116, 136, 148, 174, 204, 222, 232, 251, 272, 296, 348, 408, 444, 464, 493, 502, 592, 629, 696, 753, 816, 888, 986, 1004, 1073, 1258, 1392, 1479, 1506, 1776, 1887, 1972, 2008, 2146, 2516, 2958, 3012, 3219, 3774, 3944, 4016, 4267, 4292, 5032, 5916, 6024, 6438, 7279, 7548, 7888, 8534, 8584, 9287, 10064, 11832, 12048, 12801, 12876, 14558, 15096, 17068, 17168, 18241, 18574, 21837, 23664, 25602, 25752, 27861, 29116, 30192, 34136, 36482, 37148, 43674, 51204, 51504, 54723, 55722, 58232, 68272, 72964, 74296, 87348, 102408, 109446, 111444, 116464, 123743, 145928, 148592, 157879, 174696, 204816, 218892, 222888, 247486, 269323, 291856, 315758, 349392, 371229, 437784, 445776, 473637, 494972, 538646, 631516, 742458, 807969, 875568, 947274, 989944, 1077292, 1263032, 1484916, 1615938, 1894548, 1979888, 2154584, 2526064, 2969832, 3231876, 3789096, 4309168, 4578491, 5939664, 6463752, 7578192, 9156982, 12927504, 13735473, 18313964, 27470946, 36627928, 54941892, 73255856, 109883784, 219767568]

約数ペア:

[(1, 219767568), (2, 109883784), (3, 73255856), (4, 54941892), (6, 36627928), (8, 27470946), (12, 18313964), (16, 13735473), (17, 12927504), (24, 9156982), (29, 7578192), (34, 6463752), (37, 5939664), (48, 4578491), (51, 4309168), (58, 3789096), (68, 3231876), (74, 2969832), (87, 2526064), (102, 2154584), (111, 1979888), (116, 1894548), (136, 1615938), (148, 1484916), (174, 1263032), (204, 1077292), (222, 989944), (232, 947274), (251, 875568), (272, 807969), (296, 742458), (348, 631516), (408, 538646), (444, 494972), (464, 473637), (493, 445776), (502, 437784), (592, 371229), (629, 349392), (696, 315758), (753, 291856), (816, 269323), (888, 247486), (986, 222888), (1004, 218892), (1073, 204816), (1258, 174696), (1392, 157879), (1479, 148592), (1506, 145928), (1776, 123743), (1887, 116464), (1972, 111444), (2008, 109446), (2146, 102408), (2516, 87348), (2958, 74296), (3012, 72964), (3219, 68272), (3774, 58232), (3944, 55722), (4016, 54723), (4267, 51504), (4292, 51204), (5032, 43674), (5916, 37148), (6024, 36482), (6438, 34136), (7279, 30192), (7548, 29116), (7888, 27861), (8534, 25752), (8584, 25602), (9287, 23664), (10064, 21837), (11832, 18574), (12048, 18241), (12801, 17168), (12876, 17068), (14558, 15096)]