1237872820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{35107}}^1$

素因数の和:35200

約数の個数: 48

約数和(自身を含む): 2724942528

約数和(自身を除く): 1487069708

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35107, 35260, 70214, 140428, 175535, 351070, 702140, 1439387, 1509601, 2878774, 3019202, 5757548, 6038404, 7196935, 7548005, 14393870, 15096010, 28787740, 30192020, 61893641, 123787282, 247574564, 309468205, 618936410, 1237872820]

約数ペア:

[(1, 1237872820), (2, 618936410), (4, 309468205), (5, 247574564), (10, 123787282), (20, 61893641), (41, 30192020), (43, 28787740), (82, 15096010), (86, 14393870), (164, 7548005), (172, 7196935), (205, 6038404), (215, 5757548), (410, 3019202), (430, 2878774), (820, 1509601), (860, 1439387), (1763, 702140), (3526, 351070), (7052, 175535), (8815, 140428), (17630, 70214), (35107, 35260)]