73142440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{261223}}^1$

素因数の和:261241

約数の個数: 32

約数和(自身を含む): 188081280

約数和(自身を除く): 114938840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 261223, 522446, 1044892, 1306115, 1828561, 2089784, 2612230, 3657122, 5224460, 7314244, 9142805, 10448920, 14628488, 18285610, 36571220, 73142440]

約数ペア:

[(1, 73142440), (2, 36571220), (4, 18285610), (5, 14628488), (7, 10448920), (8, 9142805), (10, 7314244), (14, 5224460), (20, 3657122), (28, 2612230), (35, 2089784), (40, 1828561), (56, 1306115), (70, 1044892), (140, 522446), (280, 261223)]