289426175

素因数分解:

$5^2\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 36

約数和(自身を含む): 376882128

約数和(自身を除く): 87455953

約数列:

[1, 5, 25, 41, 71, 97, 205, 355, 485, 1025, 1681, 1775, 2425, 2911, 3977, 6887, 8405, 14555, 19885, 34435, 42025, 72775, 99425, 119351, 163057, 172175, 282367, 596755, 815285, 1411835, 2983775, 4076425, 7059175, 11577047, 57885235, 289426175]

約数ペア:

[(1, 289426175), (5, 57885235), (25, 11577047), (41, 7059175), (71, 4076425), (97, 2983775), (205, 1411835), (355, 815285), (485, 596755), (1025, 282367), (1681, 172175), (1775, 163057), (2425, 119351), (2911, 99425), (3977, 72775), (6887, 42025), (8405, 34435), (14555, 19885)]