2656220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18973}}^1$

素因数の和:18989

約数の個数: 24

約数和(自身を含む): 6375264

約数和(自身を除く): 3719044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18973, 37946, 75892, 94865, 132811, 189730, 265622, 379460, 531244, 664055, 1328110, 2656220]

約数ペア:

[(1, 2656220), (2, 1328110), (4, 664055), (5, 531244), (7, 379460), (10, 265622), (14, 189730), (20, 132811), (28, 94865), (35, 75892), (70, 37946), (140, 18973)]