194312920

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{24659}}^1$

素因数の和:24867

約数の個数: 32

約数和(自身を含む): 439441200

約数和(自身を除く): 245128280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 24659, 49318, 98636, 123295, 197272, 246590, 493180, 986360, 4857823, 9715646, 19431292, 24289115, 38862584, 48578230, 97156460, 194312920]

約数ペア:

[(1, 194312920), (2, 97156460), (4, 48578230), (5, 38862584), (8, 24289115), (10, 19431292), (20, 9715646), (40, 4857823), (197, 986360), (394, 493180), (788, 246590), (985, 197272), (1576, 123295), (1970, 98636), (3940, 49318), (7880, 24659)]