226620920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{28759}}^1$

素因数の和:28967

約数の個数: 32

約数和(自身を含む): 512503200

約数和(自身を除く): 285882280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 28759, 57518, 115036, 143795, 230072, 287590, 575180, 1150360, 5665523, 11331046, 22662092, 28327615, 45324184, 56655230, 113310460, 226620920]

約数ペア:

[(1, 226620920), (2, 113310460), (4, 56655230), (5, 45324184), (8, 28327615), (10, 22662092), (20, 11331046), (40, 5665523), (197, 1150360), (394, 575180), (788, 287590), (985, 230072), (1576, 143795), (1970, 115036), (3940, 57518), (7880, 28759)]