2000860120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{1020847}}^1$

素因数の和:1020872

約数の個数: 48

約数和(自身を含む): 5236950240

約数和(自身を除く): 3236090120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 1020847, 2041694, 4083388, 5104235, 7145929, 8166776, 10208470, 14291858, 20416940, 28583716, 35729645, 40833880, 50021503, 57167432, 71459290, 100043006, 142918580, 200086012, 250107515, 285837160, 400172024, 500215030, 1000430060, 2000860120]

約数ペア:

[(1, 2000860120), (2, 1000430060), (4, 500215030), (5, 400172024), (7, 285837160), (8, 250107515), (10, 200086012), (14, 142918580), (20, 100043006), (28, 71459290), (35, 57167432), (40, 50021503), (49, 40833880), (56, 35729645), (70, 28583716), (98, 20416940), (140, 14291858), (196, 10208470), (245, 8166776), (280, 7145929), (392, 5104235), (490, 4083388), (980, 2041694), (1960, 1020847)]