164818900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{15121}}^1$

素因数の和:15244

約数の個数: 36

約数和(自身を含む): 360962140

約数和(自身を除く): 196143240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 15121, 30242, 60484, 75605, 151210, 302420, 378025, 756050, 1512100, 1648189, 3296378, 6592756, 8240945, 16481890, 32963780, 41204725, 82409450, 164818900]

約数ペア:

[(1, 164818900), (2, 82409450), (4, 41204725), (5, 32963780), (10, 16481890), (20, 8240945), (25, 6592756), (50, 3296378), (100, 1648189), (109, 1512100), (218, 756050), (436, 378025), (545, 302420), (1090, 151210), (2180, 75605), (2725, 60484), (5450, 30242), (10900, 15121)]