4242500

素因数分解:

$2^2\times 5^4\times {\mathrm{1697}}^1$

素因数の和:1721

約数の個数: 30

約数和(自身を含む): 9282966

約数和(自身を除く): 5040466

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 1697, 2500, 3394, 6788, 8485, 16970, 33940, 42425, 84850, 169700, 212125, 424250, 848500, 1060625, 2121250, 4242500]

約数ペア:

[(1, 4242500), (2, 2121250), (4, 1060625), (5, 848500), (10, 424250), (20, 212125), (25, 169700), (50, 84850), (100, 42425), (125, 33940), (250, 16970), (500, 8485), (625, 6788), (1250, 3394), (1697, 2500)]