281322440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1004723}}^1$

素因数の和:1004741

約数の個数: 32

約数和(自身を含む): 723401280

約数和(自身を除く): 442078840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1004723, 2009446, 4018892, 5023615, 7033061, 8037784, 10047230, 14066122, 20094460, 28132244, 35165305, 40188920, 56264488, 70330610, 140661220, 281322440]

約数ペア:

[(1, 281322440), (2, 140661220), (4, 70330610), (5, 56264488), (7, 40188920), (8, 35165305), (10, 28132244), (14, 20094460), (20, 14066122), (28, 10047230), (35, 8037784), (40, 7033061), (56, 5023615), (70, 4018892), (140, 2009446), (280, 1004723)]