669355540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4781111}}^1$

素因数の和:4781127

約数の個数: 24

約数和(自身を含む): 1606453632

約数和(自身を除く): 937098092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4781111, 9562222, 19124444, 23905555, 33467777, 47811110, 66935554, 95622220, 133871108, 167338885, 334677770, 669355540]

約数ペア:

[(1, 669355540), (2, 334677770), (4, 167338885), (5, 133871108), (7, 95622220), (10, 66935554), (14, 47811110), (20, 33467777), (28, 23905555), (35, 19124444), (70, 9562222), (140, 4781111)]