149260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 332640

約数和(自身を除く): 183380

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 439, 878, 1756, 2195, 4390, 7463, 8780, 14926, 29852, 37315, 74630, 149260]

約数ペア:

[(1, 149260), (2, 74630), (4, 37315), (5, 29852), (10, 14926), (17, 8780), (20, 7463), (34, 4390), (68, 2195), (85, 1756), (170, 878), (340, 439)]