1964725

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 2837120

約数和(自身を除く): 872395

約数列:

[1, 5, 7, 25, 35, 103, 109, 175, 515, 545, 721, 763, 2575, 2725, 3605, 3815, 11227, 18025, 19075, 56135, 78589, 280675, 392945, 1964725]

約数ペア:

[(1, 1964725), (5, 392945), (7, 280675), (25, 78589), (35, 56135), (103, 19075), (109, 18025), (175, 11227), (515, 3815), (545, 3605), (721, 2725), (763, 2575)]