1908368840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{6815603}}^1$

素因数の和:6815621

約数の個数: 32

約数和(自身を含む): 4907234880

約数和(自身を除く): 2998866040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 6815603, 13631206, 27262412, 34078015, 47709221, 54524824, 68156030, 95418442, 136312060, 190836884, 238546105, 272624120, 381673768, 477092210, 954184420, 1908368840]

約数ペア:

[(1, 1908368840), (2, 954184420), (4, 477092210), (5, 381673768), (7, 272624120), (8, 238546105), (10, 190836884), (14, 136312060), (20, 95418442), (28, 68156030), (35, 54524824), (40, 47709221), (56, 34078015), (70, 27262412), (140, 13631206), (280, 6815603)]