2870980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20507}}^1$

素因数の和:20523

約数の個数: 24

約数和(自身を含む): 6890688

約数和(自身を除く): 4019708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20507, 41014, 82028, 102535, 143549, 205070, 287098, 410140, 574196, 717745, 1435490, 2870980]

約数ペア:

[(1, 2870980), (2, 1435490), (4, 717745), (5, 574196), (7, 410140), (10, 287098), (14, 205070), (20, 143549), (28, 102535), (35, 82028), (70, 41014), (140, 20507)]