90109775

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4327}}^1$

素因数の和:4368

約数の個数: 36

約数和(自身を含む): 137656368

約数和(自身を除く): 47546593

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 175, 245, 425, 595, 833, 1225, 2975, 4165, 4327, 20825, 21635, 30289, 73559, 108175, 151445, 212023, 367795, 514913, 757225, 1060115, 1838975, 2574565, 3604391, 5300575, 12872825, 18021955, 90109775]

約数ペア:

[(1, 90109775), (5, 18021955), (7, 12872825), (17, 5300575), (25, 3604391), (35, 2574565), (49, 1838975), (85, 1060115), (119, 757225), (175, 514913), (245, 367795), (425, 212023), (595, 151445), (833, 108175), (1225, 73559), (2975, 30289), (4165, 21635), (4327, 20825)]