4531400

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 10676400

約数和(自身を除く): 6145000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 163, 200, 278, 326, 556, 652, 695, 815, 1112, 1304, 1390, 1630, 2780, 3260, 3475, 4075, 5560, 6520, 6950, 8150, 13900, 16300, 22657, 27800, 32600, 45314, 90628, 113285, 181256, 226570, 453140, 566425, 906280, 1132850, 2265700, 4531400]

約数ペア:

[(1, 4531400), (2, 2265700), (4, 1132850), (5, 906280), (8, 566425), (10, 453140), (20, 226570), (25, 181256), (40, 113285), (50, 90628), (100, 45314), (139, 32600), (163, 27800), (200, 22657), (278, 16300), (326, 13900), (556, 8150), (652, 6950), (695, 6520), (815, 5560), (1112, 4075), (1304, 3475), (1390, 3260), (1630, 2780)]