156903140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{412903}}^1$

素因数の和:412931

約数の個数: 24

約数和(自身を含む): 346839360

約数和(自身を除く): 189936220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 412903, 825806, 1651612, 2064515, 4129030, 7845157, 8258060, 15690314, 31380628, 39225785, 78451570, 156903140]

約数ペア:

[(1, 156903140), (2, 78451570), (4, 39225785), (5, 31380628), (10, 15690314), (19, 8258060), (20, 7845157), (38, 4129030), (76, 2064515), (95, 1651612), (190, 825806), (380, 412903)]