4990100

素因数分解:

$2^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 10936800

約数和(自身を除く): 5946700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 278, 359, 556, 695, 718, 1390, 1436, 1795, 2780, 3475, 3590, 6950, 7180, 8975, 13900, 17950, 35900, 49901, 99802, 199604, 249505, 499010, 998020, 1247525, 2495050, 4990100]

約数ペア:

[(1, 4990100), (2, 2495050), (4, 1247525), (5, 998020), (10, 499010), (20, 249505), (25, 199604), (50, 99802), (100, 49901), (139, 35900), (278, 17950), (359, 13900), (556, 8975), (695, 7180), (718, 6950), (1390, 3590), (1436, 3475), (1795, 2780)]