285405160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{310223}}^1$

素因数の和:310257

約数の個数: 32

約数和(自身を含む): 670083840

約数和(自身を除く): 384678680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 310223, 620446, 1240892, 1551115, 2481784, 3102230, 6204460, 7135129, 12408920, 14270258, 28540516, 35675645, 57081032, 71351290, 142702580, 285405160]

約数ペア:

[(1, 285405160), (2, 142702580), (4, 71351290), (5, 57081032), (8, 35675645), (10, 28540516), (20, 14270258), (23, 12408920), (40, 7135129), (46, 6204460), (92, 3102230), (115, 2481784), (184, 1551115), (230, 1240892), (460, 620446), (920, 310223)]