205652440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{734473}}^1$

素因数の和:734491

約数の個数: 32

約数和(自身を含む): 528821280

約数和(自身を除く): 323168840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 734473, 1468946, 2937892, 3672365, 5141311, 5875784, 7344730, 10282622, 14689460, 20565244, 25706555, 29378920, 41130488, 51413110, 102826220, 205652440]

約数ペア:

[(1, 205652440), (2, 102826220), (4, 51413110), (5, 41130488), (7, 29378920), (8, 25706555), (10, 20565244), (14, 14689460), (20, 10282622), (28, 7344730), (35, 5875784), (40, 5141311), (56, 3672365), (70, 2937892), (140, 1468946), (280, 734473)]