68991700

素因数分解:

$2^2\times 5^2\times {\mathrm{689917}}^1$

素因数の和:689931

約数の個数: 18

約数和(自身を含む): 149712206

約数和(自身を除く): 80720506

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 689917, 1379834, 2759668, 3449585, 6899170, 13798340, 17247925, 34495850, 68991700]

約数ペア:

[(1, 68991700), (2, 34495850), (4, 17247925), (5, 13798340), (10, 6899170), (20, 3449585), (25, 2759668), (50, 1379834), (100, 689917)]