243565540

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{120577}}^1$

素因数の和:120687

約数の個数: 24

約数和(自身を含む): 516556152

約数和(自身を除く): 272990612

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 120577, 241154, 482308, 602885, 1205770, 2411540, 12178277, 24356554, 48713108, 60891385, 121782770, 243565540]

約数ペア:

[(1, 243565540), (2, 121782770), (4, 60891385), (5, 48713108), (10, 24356554), (20, 12178277), (101, 2411540), (202, 1205770), (404, 602885), (505, 482308), (1010, 241154), (2020, 120577)]