2898980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20707}}^1$

素因数の和:20723

約数の個数: 24

約数和(自身を含む): 6957888

約数和(自身を除く): 4058908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20707, 41414, 82828, 103535, 144949, 207070, 289898, 414140, 579796, 724745, 1449490, 2898980]

約数ペア:

[(1, 2898980), (2, 1449490), (4, 724745), (5, 579796), (7, 414140), (10, 289898), (14, 207070), (20, 144949), (28, 103535), (35, 82828), (70, 41414), (140, 20707)]