1321460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9439}}^1$

素因数の和:9455

約数の個数: 24

約数和(自身を含む): 3171840

約数和(自身を除く): 1850380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9439, 18878, 37756, 47195, 66073, 94390, 132146, 188780, 264292, 330365, 660730, 1321460]

約数ペア:

[(1, 1321460), (2, 660730), (4, 330365), (5, 264292), (7, 188780), (10, 132146), (14, 94390), (20, 66073), (28, 47195), (35, 37756), (70, 18878), (140, 9439)]