180985835525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 251839881216

約数和(自身を除く): 70854045691

約数列:

[1, 5, 11, 25, 55, 71, 197, 211, 223, 275, 355, 781, 985, 1055, 1115, 1775, 2167, 2321, 2453, 3905, 4925, 5275, 5575, 10835, 11605, 12265, 13987, 14981, 15833, 19525, 41567, 43931, 47053, 54175, 58025, 61325, 69935, 74905, 79165, 153857, 164791, 174163, 207835, 219655, 235265, 349675, 374525, 395825, 457237, 483241, 517583, 769285, 823955, 870815, 1039175, 1098275, 1176325, 2286185, 2416205, 2587915, 2951257, 3119101, 3340763, 3846425, 4119775, 4354075, 9269441, 11430925, 12081025, 12939575, 14756285, 15595505, 16703815, 32463827, 34310111, 36748393, 46347205, 73781425, 77977525, 83519075, 101963851, 162319135, 171550555, 183741965, 231736025, 509819255, 658130311, 811595675, 857752775, 918709825, 2549096275, 3290651555, 7239433421, 16453257775, 36197167105, 180985835525]

約数ペア:

[(1, 180985835525), (5, 36197167105), (11, 16453257775), (25, 7239433421), (55, 3290651555), (71, 2549096275), (197, 918709825), (211, 857752775), (223, 811595675), (275, 658130311), (355, 509819255), (781, 231736025), (985, 183741965), (1055, 171550555), (1115, 162319135), (1775, 101963851), (2167, 83519075), (2321, 77977525), (2453, 73781425), (3905, 46347205), (4925, 36748393), (5275, 34310111), (5575, 32463827), (10835, 16703815), (11605, 15595505), (12265, 14756285), (13987, 12939575), (14981, 12081025), (15833, 11430925), (19525, 9269441), (41567, 4354075), (43931, 4119775), (47053, 3846425), (54175, 3340763), (58025, 3119101), (61325, 2951257), (69935, 2587915), (74905, 2416205), (79165, 2286185), (153857, 1176325), (164791, 1098275), (174163, 1039175), (207835, 870815), (219655, 823955), (235265, 769285), (349675, 517583), (374525, 483241), (395825, 457237)]