306074375

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{28807}}^1$

素因数の和:28844

約数の個数: 20

約数和(自身を含む): 404982864

約数和(自身を除く): 98908489

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 10625, 28807, 144035, 489719, 720175, 2448595, 3600875, 12242975, 18004375, 61214875, 306074375]

約数ペア:

[(1, 306074375), (5, 61214875), (17, 18004375), (25, 12242975), (85, 3600875), (125, 2448595), (425, 720175), (625, 489719), (2125, 144035), (10625, 28807)]