70027780

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9001}}^1$

素因数の和:9399

約数の個数: 24

約数和(自身を含む): 147452760

約数和(自身を除く): 77424980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 9001, 18002, 36004, 45005, 90010, 180020, 3501389, 7002778, 14005556, 17506945, 35013890, 70027780]

約数ペア:

[(1, 70027780), (2, 35013890), (4, 17506945), (5, 14005556), (10, 7002778), (20, 3501389), (389, 180020), (778, 90010), (1556, 45005), (1945, 36004), (3890, 18002), (7780, 9001)]