68478220

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{4523}}^1$

素因数の和:5289

約数の個数: 24

約数和(自身を含む): 144026064

約数和(自身を除く): 75547844

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 4523, 7570, 9046, 15140, 18092, 22615, 45230, 90460, 3423911, 6847822, 13695644, 17119555, 34239110, 68478220]

約数ペア:

[(1, 68478220), (2, 34239110), (4, 17119555), (5, 13695644), (10, 6847822), (20, 3423911), (757, 90460), (1514, 45230), (3028, 22615), (3785, 18092), (4523, 15140), (7570, 9046)]