64778140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1373}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 156042432

約数和(自身を除く): 91264292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 337, 674, 1348, 1373, 1685, 2359, 2746, 3370, 4718, 5492, 6740, 6865, 9436, 9611, 11795, 13730, 19222, 23590, 27460, 38444, 47180, 48055, 96110, 192220, 462701, 925402, 1850804, 2313505, 3238907, 4627010, 6477814, 9254020, 12955628, 16194535, 32389070, 64778140]

約数ペア:

[(1, 64778140), (2, 32389070), (4, 16194535), (5, 12955628), (7, 9254020), (10, 6477814), (14, 4627010), (20, 3238907), (28, 2313505), (35, 1850804), (70, 925402), (140, 462701), (337, 192220), (674, 96110), (1348, 48055), (1373, 47180), (1685, 38444), (2359, 27460), (2746, 23590), (3370, 19222), (4718, 13730), (5492, 11795), (6740, 9611), (6865, 9436)]