207971800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{7481}}^1$

素因数の和:7636

約数の個数: 48

約数和(自身を含む): 487078200

約数和(自身を除く): 279106400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1390, 2780, 3475, 5560, 6950, 7481, 13900, 14962, 27800, 29924, 37405, 59848, 74810, 149620, 187025, 299240, 374050, 748100, 1039859, 1496200, 2079718, 4159436, 5199295, 8318872, 10398590, 20797180, 25996475, 41594360, 51992950, 103985900, 207971800]

約数ペア:

[(1, 207971800), (2, 103985900), (4, 51992950), (5, 41594360), (8, 25996475), (10, 20797180), (20, 10398590), (25, 8318872), (40, 5199295), (50, 4159436), (100, 2079718), (139, 1496200), (200, 1039859), (278, 748100), (556, 374050), (695, 299240), (1112, 187025), (1390, 149620), (2780, 74810), (3475, 59848), (5560, 37405), (6950, 29924), (7481, 27800), (13900, 14962)]