209225540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103577}}^1$

素因数の和:103687

約数の個数: 24

約数和(自身を含む): 443728152

約数和(自身を除く): 234502612

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 103577, 207154, 414308, 517885, 1035770, 2071540, 10461277, 20922554, 41845108, 52306385, 104612770, 209225540]

約数ペア:

[(1, 209225540), (2, 104612770), (4, 52306385), (5, 41845108), (10, 20922554), (20, 10461277), (101, 2071540), (202, 1035770), (404, 517885), (505, 414308), (1010, 207154), (2020, 103577)]