662660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1949}}^1$

素因数の和:1975

約数の個数: 24

約数和(自身を含む): 1474200

約数和(自身を除く): 811540

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1949, 3898, 7796, 9745, 19490, 33133, 38980, 66266, 132532, 165665, 331330, 662660]

約数ペア:

[(1, 662660), (2, 331330), (4, 165665), (5, 132532), (10, 66266), (17, 38980), (20, 33133), (34, 19490), (68, 9745), (85, 7796), (170, 3898), (340, 1949)]