28019600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{10007}}^1$

素因数の和:10032

約数の個数: 60

約数和(自身を含む): 76941504

約数和(自身を除く): 48921904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 10007, 20014, 40028, 50035, 70049, 80056, 100070, 140098, 160112, 200140, 250175, 280196, 350245, 400280, 500350, 560392, 700490, 800560, 1000700, 1120784, 1400980, 1751225, 2001400, 2801960, 3502450, 4002800, 5603920, 7004900, 14009800, 28019600]

約数ペア:

[(1, 28019600), (2, 14009800), (4, 7004900), (5, 5603920), (7, 4002800), (8, 3502450), (10, 2801960), (14, 2001400), (16, 1751225), (20, 1400980), (25, 1120784), (28, 1000700), (35, 800560), (40, 700490), (50, 560392), (56, 500350), (70, 400280), (80, 350245), (100, 280196), (112, 250175), (140, 200140), (175, 160112), (200, 140098), (280, 100070), (350, 80056), (400, 70049), (560, 50035), (700, 40028), (1400, 20014), (2800, 10007)]