71485540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510611}}^1$

素因数の和:510627

約数の個数: 24

約数和(自身を含む): 171565632

約数和(自身を除く): 100080092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510611, 1021222, 2042444, 2553055, 3574277, 5106110, 7148554, 10212220, 14297108, 17871385, 35742770, 71485540]

約数ペア:

[(1, 71485540), (2, 35742770), (4, 17871385), (5, 14297108), (7, 10212220), (10, 7148554), (14, 5106110), (20, 3574277), (28, 2553055), (35, 2042444), (70, 1021222), (140, 510611)]