3119780

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 6584760

約数和(自身を除く): 3464980

約数列:

[1, 2, 4, 5, 10, 20, 389, 401, 778, 802, 1556, 1604, 1945, 2005, 3890, 4010, 7780, 8020, 155989, 311978, 623956, 779945, 1559890, 3119780]

約数ペア:

[(1, 3119780), (2, 1559890), (4, 779945), (5, 623956), (10, 311978), (20, 155989), (389, 8020), (401, 7780), (778, 4010), (802, 3890), (1556, 2005), (1604, 1945)]