205320475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{1153}}^1$

素因数の和:1599

約数の個数: 24

約数和(自身を含む): 270451440

約数和(自身を除く): 65130965

約数列:

[1, 5, 17, 25, 85, 419, 425, 1153, 2095, 5765, 7123, 10475, 19601, 28825, 35615, 98005, 178075, 483107, 490025, 2415535, 8212819, 12077675, 41064095, 205320475]

約数ペア:

[(1, 205320475), (5, 41064095), (17, 12077675), (25, 8212819), (85, 2415535), (419, 490025), (425, 483107), (1153, 178075), (2095, 98005), (5765, 35615), (7123, 28825), (10475, 19601)]