1900448920

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{55439}}^1$

素因数の和:56307

約数の個数: 32

約数和(自身を含む): 4281076800

約数和(自身を除く): 2380627880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 4285, 6856, 8570, 17140, 34280, 55439, 110878, 221756, 277195, 443512, 554390, 1108780, 2217560, 47511223, 95022446, 190044892, 237556115, 380089784, 475112230, 950224460, 1900448920]

約数ペア:

[(1, 1900448920), (2, 950224460), (4, 475112230), (5, 380089784), (8, 237556115), (10, 190044892), (20, 95022446), (40, 47511223), (857, 2217560), (1714, 1108780), (3428, 554390), (4285, 443512), (6856, 277195), (8570, 221756), (17140, 110878), (34280, 55439)]