1978703610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{2003}}^1$

素因数の和:2192

約数の個数: 128

約数和(自身を含む): 5454086400

約数和(自身を除く): 3475382790

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 149, 170, 195, 221, 255, 298, 390, 442, 447, 510, 663, 745, 894, 1105, 1326, 1490, 1937, 2003, 2210, 2235, 2533, 3315, 3874, 4006, 4470, 5066, 5811, 6009, 6630, 7599, 9685, 10015, 11622, 12018, 12665, 15198, 19370, 20030, 25330, 26039, 29055, 30045, 32929, 34051, 37995, 52078, 58110, 60090, 65858, 68102, 75990, 78117, 98787, 102153, 130195, 156234, 164645, 170255, 197574, 204306, 260390, 298447, 329290, 340510, 390585, 442663, 493935, 510765, 596894, 781170, 885326, 895341, 987870, 1021530, 1327989, 1492235, 1790682, 2213315, 2655978, 2984470, 3879811, 4426630, 4476705, 5073599, 6639945, 7759622, 8953410, 10147198, 11639433, 13279890, 15220797, 19399055, 23278866, 25367995, 30441594, 38798110, 50735990, 58197165, 65956787, 76103985, 116394330, 131913574, 152207970, 197870361, 329783935, 395740722, 659567870, 989351805, 1978703610]

約数ペア:

[(1, 1978703610), (2, 989351805), (3, 659567870), (5, 395740722), (6, 329783935), (10, 197870361), (13, 152207970), (15, 131913574), (17, 116394330), (26, 76103985), (30, 65956787), (34, 58197165), (39, 50735990), (51, 38798110), (65, 30441594), (78, 25367995), (85, 23278866), (102, 19399055), (130, 15220797), (149, 13279890), (170, 11639433), (195, 10147198), (221, 8953410), (255, 7759622), (298, 6639945), (390, 5073599), (442, 4476705), (447, 4426630), (510, 3879811), (663, 2984470), (745, 2655978), (894, 2213315), (1105, 1790682), (1326, 1492235), (1490, 1327989), (1937, 1021530), (2003, 987870), (2210, 895341), (2235, 885326), (2533, 781170), (3315, 596894), (3874, 510765), (4006, 493935), (4470, 442663), (5066, 390585), (5811, 340510), (6009, 329290), (6630, 298447), (7599, 260390), (9685, 204306), (10015, 197574), (11622, 170255), (12018, 164645), (12665, 156234), (15198, 130195), (19370, 102153), (20030, 98787), (25330, 78117), (26039, 75990), (29055, 68102), (30045, 65858), (32929, 60090), (34051, 58110), (37995, 52078)]