420250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^2$

素因数の和:99

約数の個数: 24

約数和(自身を含む): 806364

約数和(自身を除く): 386114

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 1681, 2050, 3362, 5125, 8405, 10250, 16810, 42025, 84050, 210125, 420250]

約数ペア:

[(1, 420250), (2, 210125), (5, 84050), (10, 42025), (25, 16810), (41, 10250), (50, 8405), (82, 5125), (125, 3362), (205, 2050), (250, 1681), (410, 1025)]