61909820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4057}}^1$

素因数の和:4182

約数の個数: 48

約数和(自身を含む): 149983680

約数和(自身を除く): 88073860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4057, 7630, 8114, 15260, 16228, 20285, 28399, 40570, 56798, 81140, 113596, 141995, 283990, 442213, 567980, 884426, 1768852, 2211065, 3095491, 4422130, 6190982, 8844260, 12381964, 15477455, 30954910, 61909820]

約数ペア:

[(1, 61909820), (2, 30954910), (4, 15477455), (5, 12381964), (7, 8844260), (10, 6190982), (14, 4422130), (20, 3095491), (28, 2211065), (35, 1768852), (70, 884426), (109, 567980), (140, 442213), (218, 283990), (436, 141995), (545, 113596), (763, 81140), (1090, 56798), (1526, 40570), (2180, 28399), (3052, 20285), (3815, 16228), (4057, 15260), (7630, 8114)]