1804460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{12889}}^1$

素因数の和:12905

約数の個数: 24

約数和(自身を含む): 4331040

約数和(自身を除く): 2526580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 12889, 25778, 51556, 64445, 90223, 128890, 180446, 257780, 360892, 451115, 902230, 1804460]

約数ペア:

[(1, 1804460), (2, 902230), (4, 451115), (5, 360892), (7, 257780), (10, 180446), (14, 128890), (20, 90223), (28, 64445), (35, 51556), (70, 25778), (140, 12889)]