214915880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{53197}}^1$

素因数の和:53309

約数の個数: 32

約数和(自身を含む): 488357640

約数和(自身を除く): 273441760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 53197, 106394, 212788, 265985, 425576, 531970, 1063940, 2127880, 5372897, 10745794, 21491588, 26864485, 42983176, 53728970, 107457940, 214915880]

約数ペア:

[(1, 214915880), (2, 107457940), (4, 53728970), (5, 42983176), (8, 26864485), (10, 21491588), (20, 10745794), (40, 5372897), (101, 2127880), (202, 1063940), (404, 531970), (505, 425576), (808, 265985), (1010, 212788), (2020, 106394), (4040, 53197)]