68764420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{180959}}^1$

素因数の和:180987

約数の個数: 24

約数和(自身を含む): 152006400

約数和(自身を除く): 83241980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 180959, 361918, 723836, 904795, 1809590, 3438221, 3619180, 6876442, 13752884, 17191105, 34382210, 68764420]

約数ペア:

[(1, 68764420), (2, 34382210), (4, 17191105), (5, 13752884), (10, 6876442), (19, 3619180), (20, 3438221), (38, 1809590), (76, 904795), (95, 723836), (190, 361918), (380, 180959)]