71708380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210907}}^1$

素因数の和:210933

約数の個数: 24

約数和(自身を含む): 159446448

約数和(自身を除く): 87738068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210907, 421814, 843628, 1054535, 2109070, 3585419, 4218140, 7170838, 14341676, 17927095, 35854190, 71708380]

約数ペア:

[(1, 71708380), (2, 35854190), (4, 17927095), (5, 14341676), (10, 7170838), (17, 4218140), (20, 3585419), (34, 2109070), (68, 1054535), (85, 843628), (170, 421814), (340, 210907)]