4472500

素因数分解:

$2^2\times 5^4\times {\mathrm{1789}}^1$

素因数の和:1813

約数の個数: 30

約数和(自身を含む): 9785930

約数和(自身を除く): 5313430

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1789, 2500, 3578, 7156, 8945, 17890, 35780, 44725, 89450, 178900, 223625, 447250, 894500, 1118125, 2236250, 4472500]

約数ペア:

[(1, 4472500), (2, 2236250), (4, 1118125), (5, 894500), (10, 447250), (20, 223625), (25, 178900), (50, 89450), (100, 44725), (125, 35780), (250, 17890), (500, 8945), (625, 7156), (1250, 3578), (1789, 2500)]