69640100

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{6389}}^1$

素因数の和:6512

約数の個数: 36

約数和(自身を含む): 152529300

約数和(自身を除く): 82889200

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 6389, 10900, 12778, 25556, 31945, 63890, 127780, 159725, 319450, 638900, 696401, 1392802, 2785604, 3482005, 6964010, 13928020, 17410025, 34820050, 69640100]

約数ペア:

[(1, 69640100), (2, 34820050), (4, 17410025), (5, 13928020), (10, 6964010), (20, 3482005), (25, 2785604), (50, 1392802), (100, 696401), (109, 638900), (218, 319450), (436, 159725), (545, 127780), (1090, 63890), (2180, 31945), (2725, 25556), (5450, 12778), (6389, 10900)]