30256765

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 16692995

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 103, 109, 245, 385, 515, 539, 545, 721, 763, 1133, 1199, 2695, 3605, 3815, 5047, 5341, 5665, 5995, 7931, 8393, 11227, 25235, 26705, 39655, 41965, 55517, 56135, 58751, 78589, 123497, 277585, 293755, 392945, 550123, 617485, 864479, 2750615, 4322395, 6051353, 30256765]

約数ペア:

[(1, 30256765), (5, 6051353), (7, 4322395), (11, 2750615), (35, 864479), (49, 617485), (55, 550123), (77, 392945), (103, 293755), (109, 277585), (245, 123497), (385, 78589), (515, 58751), (539, 56135), (545, 55517), (721, 41965), (763, 39655), (1133, 26705), (1199, 25235), (2695, 11227), (3605, 8393), (3815, 7931), (5047, 5995), (5341, 5665)]