30590225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{431}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 9907183

約数列:

[1, 5, 17, 25, 85, 167, 425, 431, 835, 2155, 2839, 4175, 7327, 10775, 14195, 36635, 70975, 71977, 183175, 359885, 1223609, 1799425, 6118045, 30590225]

約数ペア:

[(1, 30590225), (5, 6118045), (17, 1799425), (25, 1223609), (85, 359885), (167, 183175), (425, 71977), (431, 70975), (835, 36635), (2155, 14195), (2839, 10775), (4175, 7327)]