516802580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3691447}}^1$

素因数の和:3691463

約数の個数: 24

約数和(自身を含む): 1240326528

約数和(自身を除く): 723523948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3691447, 7382894, 14765788, 18457235, 25840129, 36914470, 51680258, 73828940, 103360516, 129200645, 258401290, 516802580]

約数ペア:

[(1, 516802580), (2, 258401290), (4, 129200645), (5, 103360516), (7, 73828940), (10, 51680258), (14, 36914470), (20, 25840129), (28, 18457235), (35, 14765788), (70, 7382894), (140, 3691447)]