208097900

素因数分解:

$2^2\times 5^2\times {\mathrm{2080979}}^1$

素因数の和:2080993

約数の個数: 18

約数和(自身を含む): 451572660

約数和(自身を除く): 243474760

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2080979, 4161958, 8323916, 10404895, 20809790, 41619580, 52024475, 104048950, 208097900]

約数ペア:

[(1, 208097900), (2, 104048950), (4, 52024475), (5, 41619580), (10, 20809790), (20, 10404895), (25, 8323916), (50, 4161958), (100, 2080979)]