66740660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{476719}}^1$

素因数の和:476735

約数の個数: 24

約数和(自身を含む): 160177920

約数和(自身を除く): 93437260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 476719, 953438, 1906876, 2383595, 3337033, 4767190, 6674066, 9534380, 13348132, 16685165, 33370330, 66740660]

約数ペア:

[(1, 66740660), (2, 33370330), (4, 16685165), (5, 13348132), (7, 9534380), (10, 6674066), (14, 4767190), (20, 3337033), (28, 2383595), (35, 1906876), (70, 953438), (140, 476719)]