2100090125

素因数分解:

$5^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{17519}}^1$

素因数の和:17678

約数の個数: 32

約数和(自身を含む): 3017364480

約数和(自身を除く): 917274355

約数列:

[1, 5, 7, 25, 35, 125, 137, 175, 685, 875, 959, 3425, 4795, 17125, 17519, 23975, 87595, 119875, 122633, 437975, 613165, 2189875, 2400103, 3065825, 12000515, 15329125, 16800721, 60002575, 84003605, 300012875, 420018025, 2100090125]

約数ペア:

[(1, 2100090125), (5, 420018025), (7, 300012875), (25, 84003605), (35, 60002575), (125, 16800721), (137, 15329125), (175, 12000515), (685, 3065825), (875, 2400103), (959, 2189875), (3425, 613165), (4795, 437975), (17125, 122633), (17519, 119875), (23975, 87595)]