211857700

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{21841}}^1$

素因数の和:21952

約数の個数: 36

約数和(自身を含む): 464491972

約数和(自身を除く): 252634272

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 21841, 43682, 87364, 109205, 218410, 436820, 546025, 1092050, 2118577, 2184100, 4237154, 8474308, 10592885, 21185770, 42371540, 52964425, 105928850, 211857700]

約数ペア:

[(1, 211857700), (2, 105928850), (4, 52964425), (5, 42371540), (10, 21185770), (20, 10592885), (25, 8474308), (50, 4237154), (97, 2184100), (100, 2118577), (194, 1092050), (388, 546025), (485, 436820), (970, 218410), (1940, 109205), (2425, 87364), (4850, 43682), (9700, 21841)]