402090875

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 518918400

約数和(自身を除く): 116827525

約数列:

[1, 5, 25, 47, 89, 125, 235, 445, 769, 1175, 2225, 3845, 4183, 5875, 11125, 19225, 20915, 36143, 68441, 96125, 104575, 180715, 342205, 522875, 903575, 1711025, 3216727, 4517875, 8555125, 16083635, 80418175, 402090875]

約数ペア:

[(1, 402090875), (5, 80418175), (25, 16083635), (47, 8555125), (89, 4517875), (125, 3216727), (235, 1711025), (445, 903575), (769, 522875), (1175, 342205), (2225, 180715), (3845, 104575), (4183, 96125), (5875, 68441), (11125, 36143), (19225, 20915)]