149800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{107}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 401760

約数和(自身を除く): 251960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 107, 140, 175, 200, 214, 280, 350, 428, 535, 700, 749, 856, 1070, 1400, 1498, 2140, 2675, 2996, 3745, 4280, 5350, 5992, 7490, 10700, 14980, 18725, 21400, 29960, 37450, 74900, 149800]

約数ペア:

[(1, 149800), (2, 74900), (4, 37450), (5, 29960), (7, 21400), (8, 18725), (10, 14980), (14, 10700), (20, 7490), (25, 5992), (28, 5350), (35, 4280), (40, 3745), (50, 2996), (56, 2675), (70, 2140), (100, 1498), (107, 1400), (140, 1070), (175, 856), (200, 749), (214, 700), (280, 535), (350, 428)]