250858975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 335978496

約数和(自身を除く): 85119521

約数列:

[1, 5, 25, 31, 47, 71, 97, 155, 235, 355, 485, 775, 1175, 1457, 1775, 2201, 2425, 3007, 3337, 4559, 6887, 7285, 11005, 15035, 16685, 22795, 34435, 36425, 55025, 75175, 83425, 103447, 113975, 141329, 172175, 213497, 323689, 517235, 706645, 1067485, 1618445, 2586175, 3533225, 5337425, 8092225, 10034359, 50171795, 250858975]

約数ペア:

[(1, 250858975), (5, 50171795), (25, 10034359), (31, 8092225), (47, 5337425), (71, 3533225), (97, 2586175), (155, 1618445), (235, 1067485), (355, 706645), (485, 517235), (775, 323689), (1175, 213497), (1457, 172175), (1775, 141329), (2201, 113975), (2425, 103447), (3007, 83425), (3337, 75175), (4559, 55025), (6887, 36425), (7285, 34435), (11005, 22795), (15035, 16685)]