291607804520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{439}}^1\times {\mathrm{821}}^1$

素因数の和:1563

約数の個数: 128

約数和(自身を含む): 667950624000

約数和(自身を除く): 376342819480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 179, 226, 358, 439, 452, 565, 716, 821, 878, 895, 904, 1130, 1432, 1642, 1756, 1790, 2195, 2260, 3284, 3512, 3580, 4105, 4390, 4520, 6568, 7160, 8210, 8780, 16420, 17560, 20227, 32840, 40454, 49607, 78581, 80908, 92773, 99214, 101135, 146959, 157162, 161816, 185546, 198428, 202270, 248035, 293918, 314324, 360419, 371092, 392905, 396856, 404540, 463865, 496070, 587836, 628648, 720838, 734795, 742184, 785810, 809080, 927730, 992140, 1175672, 1441676, 1469590, 1571620, 1802095, 1855460, 1984280, 2883352, 2939180, 3143240, 3604190, 3710920, 5878360, 7208380, 8879653, 14416760, 16606367, 17759306, 33212734, 35518612, 40727347, 44398265, 64515001, 66425468, 71037224, 81454694, 83031835, 88796530, 129030002, 132850936, 162909388, 166063670, 177593060, 203636735, 258060004, 322575005, 325818776, 332127340, 355186120, 407273470, 516120008, 645150010, 664254680, 814546940, 1290300020, 1629093880, 2580600040, 7290195113, 14580390226, 29160780452, 36450975565, 58321560904, 72901951130, 145803902260, 291607804520]

約数ペア:

[(1, 291607804520), (2, 145803902260), (4, 72901951130), (5, 58321560904), (8, 36450975565), (10, 29160780452), (20, 14580390226), (40, 7290195113), (113, 2580600040), (179, 1629093880), (226, 1290300020), (358, 814546940), (439, 664254680), (452, 645150010), (565, 516120008), (716, 407273470), (821, 355186120), (878, 332127340), (895, 325818776), (904, 322575005), (1130, 258060004), (1432, 203636735), (1642, 177593060), (1756, 166063670), (1790, 162909388), (2195, 132850936), (2260, 129030002), (3284, 88796530), (3512, 83031835), (3580, 81454694), (4105, 71037224), (4390, 66425468), (4520, 64515001), (6568, 44398265), (7160, 40727347), (8210, 35518612), (8780, 33212734), (16420, 17759306), (17560, 16606367), (20227, 14416760), (32840, 8879653), (40454, 7208380), (49607, 5878360), (78581, 3710920), (80908, 3604190), (92773, 3143240), (99214, 2939180), (101135, 2883352), (146959, 1984280), (157162, 1855460), (161816, 1802095), (185546, 1571620), (198428, 1469590), (202270, 1441676), (248035, 1175672), (293918, 992140), (314324, 927730), (360419, 809080), (371092, 785810), (392905, 742184), (396856, 734795), (404540, 720838), (463865, 628648), (496070, 587836)]