2855860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20399}}^1$

素因数の和:20415

約数の個数: 24

約数和(自身を含む): 6854400

約数和(自身を除く): 3998540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20399, 40798, 81596, 101995, 142793, 203990, 285586, 407980, 571172, 713965, 1427930, 2855860]

約数ペア:

[(1, 2855860), (2, 1427930), (4, 713965), (5, 571172), (7, 407980), (10, 285586), (14, 203990), (20, 142793), (28, 101995), (35, 81596), (70, 40798), (140, 20399)]