71783860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211129}}^1$

素因数の和:211155

約数の個数: 24

約数和(自身を含む): 159614280

約数和(自身を除く): 87830420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 211129, 422258, 844516, 1055645, 2111290, 3589193, 4222580, 7178386, 14356772, 17945965, 35891930, 71783860]

約数ペア:

[(1, 71783860), (2, 35891930), (4, 17945965), (5, 14356772), (10, 7178386), (17, 4222580), (20, 3589193), (34, 2111290), (68, 1055645), (85, 844516), (170, 422258), (340, 211129)]