179142740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3191}}^1$

素因数の和:3608

約数の個数: 48

約数和(自身を含む): 431149824

約数和(自身を除く): 252007084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1604, 2005, 2807, 3191, 4010, 5614, 6382, 8020, 11228, 12764, 14035, 15955, 22337, 28070, 31910, 44674, 56140, 63820, 89348, 111685, 223370, 446740, 1279591, 2559182, 5118364, 6397955, 8957137, 12795910, 17914274, 25591820, 35828548, 44785685, 89571370, 179142740]

約数ペア:

[(1, 179142740), (2, 89571370), (4, 44785685), (5, 35828548), (7, 25591820), (10, 17914274), (14, 12795910), (20, 8957137), (28, 6397955), (35, 5118364), (70, 2559182), (140, 1279591), (401, 446740), (802, 223370), (1604, 111685), (2005, 89348), (2807, 63820), (3191, 56140), (4010, 44674), (5614, 31910), (6382, 28070), (8020, 22337), (11228, 15955), (12764, 14035)]