31189191460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{222779939}}^1$

素因数の和:222779955

約数の個数: 24

約数和(自身を含む): 74854059840

約数和(自身を除く): 43664868380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 222779939, 445559878, 891119756, 1113899695, 1559459573, 2227799390, 3118919146, 4455598780, 6237838292, 7797297865, 15594595730, 31189191460]

約数ペア:

[(1, 31189191460), (2, 15594595730), (4, 7797297865), (5, 6237838292), (7, 4455598780), (10, 3118919146), (14, 2227799390), (20, 1559459573), (28, 1113899695), (35, 891119756), (70, 445559878), (140, 222779939)]