205121450

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{9791}}^1$

素因数の和:10222

約数の個数: 24

約数和(自身を含む): 382475520

約数和(自身を除く): 177354070

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 2095, 4190, 9791, 10475, 19582, 20950, 48955, 97910, 244775, 489550, 4102429, 8204858, 20512145, 41024290, 102560725, 205121450]

約数ペア:

[(1, 205121450), (2, 102560725), (5, 41024290), (10, 20512145), (25, 8204858), (50, 4102429), (419, 489550), (838, 244775), (2095, 97910), (4190, 48955), (9791, 20950), (10475, 19582)]