421700

素因数分解:

$2^2\times 5^2\times {\mathrm{4217}}^1$

素因数の和:4231

約数の個数: 18

約数和(自身を含む): 915306

約数和(自身を除く): 493606

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 4217, 8434, 16868, 21085, 42170, 84340, 105425, 210850, 421700]

約数ペア:

[(1, 421700), (2, 210850), (4, 105425), (5, 84340), (10, 42170), (20, 21085), (25, 16868), (50, 8434), (100, 4217)]