689180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2027}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 1533168

約数和(自身を除く): 843988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2027, 4054, 8108, 10135, 20270, 34459, 40540, 68918, 137836, 172295, 344590, 689180]

約数ペア:

[(1, 689180), (2, 344590), (4, 172295), (5, 137836), (10, 68918), (17, 40540), (20, 34459), (34, 20270), (68, 10135), (85, 8108), (170, 4054), (340, 2027)]