211894180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{145133}}^1$

素因数の和:145215

約数の個数: 24

約数和(自身を含む): 451076472

約数和(自身を除く): 239182292

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 145133, 290266, 580532, 725665, 1451330, 2902660, 10594709, 21189418, 42378836, 52973545, 105947090, 211894180]

約数ペア:

[(1, 211894180), (2, 105947090), (4, 52973545), (5, 42378836), (10, 21189418), (20, 10594709), (73, 2902660), (146, 1451330), (292, 725665), (365, 580532), (730, 290266), (1460, 145133)]