278538962225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{30137}}^1$

素因数の和:30386

約数の個数: 48

約数和(自身を含む): 361632854016

約数和(自身を除く): 83093891791

約数列:

[1, 5, 25, 41, 71, 127, 205, 355, 635, 1025, 1775, 2911, 3175, 5207, 9017, 14555, 26035, 30137, 45085, 72775, 130175, 150685, 225425, 369697, 753425, 1235617, 1848485, 2139727, 3827399, 6178085, 9242425, 10698635, 19136995, 30890425, 53493175, 87728807, 95684975, 156923359, 271745329, 438644035, 784616795, 1358726645, 2193220175, 3923083975, 6793633225, 11141558489, 55707792445, 278538962225]

約数ペア:

[(1, 278538962225), (5, 55707792445), (25, 11141558489), (41, 6793633225), (71, 3923083975), (127, 2193220175), (205, 1358726645), (355, 784616795), (635, 438644035), (1025, 271745329), (1775, 156923359), (2911, 95684975), (3175, 87728807), (5207, 53493175), (9017, 30890425), (14555, 19136995), (26035, 10698635), (30137, 9242425), (45085, 6178085), (72775, 3827399), (130175, 2139727), (150685, 1848485), (225425, 1235617), (369697, 753425)]