1900541440

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 240

約数和(自身を含む): 5387936400

約数和(自身を除く): 3487394960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 109, 112, 128, 139, 140, 160, 196, 218, 224, 245, 256, 278, 280, 320, 392, 436, 448, 490, 512, 545, 556, 560, 640, 695, 763, 784, 872, 896, 973, 980, 1090, 1112, 1120, 1280, 1390, 1526, 1568, 1744, 1792, 1946, 1960, 2180, 2224, 2240, 2560, 2780, 3052, 3136, 3488, 3584, 3815, 3892, 3920, 4360, 4448, 4480, 4865, 5341, 5560, 6104, 6272, 6811, 6976, 7630, 7784, 7840, 8720, 8896, 8960, 9730, 10682, 11120, 12208, 12544, 13622, 13952, 15151, 15260, 15568, 15680, 17440, 17792, 17920, 19460, 21364, 22240, 24416, 25088, 26705, 27244, 27904, 30302, 30520, 31136, 31360, 34055, 34880, 35584, 38920, 42728, 44480, 48832, 53410, 54488, 55808, 60604, 61040, 62272, 62720, 68110, 69760, 71168, 75755, 77840, 85456, 88960, 97664, 106057, 106820, 108976, 121208, 122080, 124544, 125440, 136220, 139520, 151510, 155680, 170912, 177920, 195328, 212114, 213640, 217952, 242416, 244160, 249088, 272440, 279040, 303020, 311360, 341824, 355840, 390656, 424228, 427280, 435904, 484832, 488320, 498176, 530285, 544880, 606040, 622720, 683648, 742399, 848456, 854560, 871808, 969664, 976640, 1060570, 1089760, 1212080, 1245440, 1367296, 1484798, 1696912, 1709120, 1743616, 1939328, 1953280, 2121140, 2179520, 2424160, 2490880, 2734592, 2969596, 3393824, 3418240, 3487232, 3711995, 3878656, 4242280, 4359040, 4848320, 5939192, 6787648, 6836480, 7423990, 7757312, 8484560, 8718080, 9696640, 11878384, 13575296, 13672960, 14847980, 16969120, 17436160, 19393280, 23756768, 27150592, 29695960, 33938240, 38786560, 47513536, 54301184, 59391920, 67876480, 95027072, 118783840, 135752960, 190054144, 237567680, 271505920, 380108288, 475135360, 950270720, 1900541440]

約数ペア:

[(1, 1900541440), (2, 950270720), (4, 475135360), (5, 380108288), (7, 271505920), (8, 237567680), (10, 190054144), (14, 135752960), (16, 118783840), (20, 95027072), (28, 67876480), (32, 59391920), (35, 54301184), (40, 47513536), (49, 38786560), (56, 33938240), (64, 29695960), (70, 27150592), (80, 23756768), (98, 19393280), (109, 17436160), (112, 16969120), (128, 14847980), (139, 13672960), (140, 13575296), (160, 11878384), (196, 9696640), (218, 8718080), (224, 8484560), (245, 7757312), (256, 7423990), (278, 6836480), (280, 6787648), (320, 5939192), (392, 4848320), (436, 4359040), (448, 4242280), (490, 3878656), (512, 3711995), (545, 3487232), (556, 3418240), (560, 3393824), (640, 2969596), (695, 2734592), (763, 2490880), (784, 2424160), (872, 2179520), (896, 2121140), (973, 1953280), (980, 1939328), (1090, 1743616), (1112, 1709120), (1120, 1696912), (1280, 1484798), (1390, 1367296), (1526, 1245440), (1568, 1212080), (1744, 1089760), (1792, 1060570), (1946, 976640), (1960, 969664), (2180, 871808), (2224, 854560), (2240, 848456), (2560, 742399), (2780, 683648), (3052, 622720), (3136, 606040), (3488, 544880), (3584, 530285), (3815, 498176), (3892, 488320), (3920, 484832), (4360, 435904), (4448, 427280), (4480, 424228), (4865, 390656), (5341, 355840), (5560, 341824), (6104, 311360), (6272, 303020), (6811, 279040), (6976, 272440), (7630, 249088), (7784, 244160), (7840, 242416), (8720, 217952), (8896, 213640), (8960, 212114), (9730, 195328), (10682, 177920), (11120, 170912), (12208, 155680), (12544, 151510), (13622, 139520), (13952, 136220), (15151, 125440), (15260, 124544), (15568, 122080), (15680, 121208), (17440, 108976), (17792, 106820), (17920, 106057), (19460, 97664), (21364, 88960), (22240, 85456), (24416, 77840), (25088, 75755), (26705, 71168), (27244, 69760), (27904, 68110), (30302, 62720), (30520, 62272), (31136, 61040), (31360, 60604), (34055, 55808), (34880, 54488), (35584, 53410), (38920, 48832), (42728, 44480)]