190403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{340007}}^1$

素因数の和:340027

約数の個数: 40

約数和(自身を含む): 505931904

約数和(自身を除く): 315527984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 340007, 680014, 1360028, 1700035, 2380049, 2720056, 3400070, 4760098, 5440112, 6800140, 9520196, 11900245, 13600280, 19040392, 23800490, 27200560, 38080784, 47600980, 95201960, 190403920]

約数ペア:

[(1, 190403920), (2, 95201960), (4, 47600980), (5, 38080784), (7, 27200560), (8, 23800490), (10, 19040392), (14, 13600280), (16, 11900245), (20, 9520196), (28, 6800140), (35, 5440112), (40, 4760098), (56, 3400070), (70, 2720056), (80, 2380049), (112, 1700035), (140, 1360028), (280, 680014), (560, 340007)]