2162440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7723}}^1$

素因数の和:7741

約数の個数: 32

約数和(自身を含む): 5561280

約数和(自身を除く): 3398840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7723, 15446, 30892, 38615, 54061, 61784, 77230, 108122, 154460, 216244, 270305, 308920, 432488, 540610, 1081220, 2162440]

約数ペア:

[(1, 2162440), (2, 1081220), (4, 540610), (5, 432488), (7, 308920), (8, 270305), (10, 216244), (14, 154460), (20, 108122), (28, 77230), (35, 61784), (40, 54061), (56, 38615), (70, 30892), (140, 15446), (280, 7723)]