561250

素因数分解:

$2^1\times 5^4\times {\mathrm{449}}^1$

素因数の和:471

約数の個数: 20

約数和(自身を含む): 1054350

約数和(自身を除く): 493100

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 449, 625, 898, 1250, 2245, 4490, 11225, 22450, 56125, 112250, 280625, 561250]

約数ペア:

[(1, 561250), (2, 280625), (5, 112250), (10, 56125), (25, 22450), (50, 11225), (125, 4490), (250, 2245), (449, 1250), (625, 898)]