199142440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{711223}}^1$

素因数の和:711241

約数の個数: 32

約数和(自身を含む): 512081280

約数和(自身を除く): 312938840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 711223, 1422446, 2844892, 3556115, 4978561, 5689784, 7112230, 9957122, 14224460, 19914244, 24892805, 28448920, 39828488, 49785610, 99571220, 199142440]

約数ペア:

[(1, 199142440), (2, 99571220), (4, 49785610), (5, 39828488), (7, 28448920), (8, 24892805), (10, 19914244), (14, 14224460), (20, 9957122), (28, 7112230), (35, 5689784), (40, 4978561), (56, 3556115), (70, 2844892), (140, 1422446), (280, 711223)]