552440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1973}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 1421280

約数和(自身を除く): 868840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1973, 3946, 7892, 9865, 13811, 15784, 19730, 27622, 39460, 55244, 69055, 78920, 110488, 138110, 276220, 552440]

約数ペア:

[(1, 552440), (2, 276220), (4, 138110), (5, 110488), (7, 78920), (8, 69055), (10, 55244), (14, 39460), (20, 27622), (28, 19730), (35, 15784), (40, 13811), (56, 9865), (70, 7892), (140, 3946), (280, 1973)]