199719800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{142657}}^1$

素因数の和:142680

約数の個数: 48

約数和(自身を含む): 530687760

約数和(自身を除く): 330967960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 142657, 285314, 570628, 713285, 998599, 1141256, 1426570, 1997198, 2853140, 3566425, 3994396, 4992995, 5706280, 7132850, 7988792, 9985990, 14265700, 19971980, 24964975, 28531400, 39943960, 49929950, 99859900, 199719800]

約数ペア:

[(1, 199719800), (2, 99859900), (4, 49929950), (5, 39943960), (7, 28531400), (8, 24964975), (10, 19971980), (14, 14265700), (20, 9985990), (25, 7988792), (28, 7132850), (35, 5706280), (40, 4992995), (50, 3994396), (56, 3566425), (70, 2853140), (100, 1997198), (140, 1426570), (175, 1141256), (200, 998599), (280, 713285), (350, 570628), (700, 285314), (1400, 142657)]