77622440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277223}}^1$

素因数の和:277241

約数の個数: 32

約数和(自身を含む): 199601280

約数和(自身を除く): 121978840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 277223, 554446, 1108892, 1386115, 1940561, 2217784, 2772230, 3881122, 5544460, 7762244, 9702805, 11088920, 15524488, 19405610, 38811220, 77622440]

約数ペア:

[(1, 77622440), (2, 38811220), (4, 19405610), (5, 15524488), (7, 11088920), (8, 9702805), (10, 7762244), (14, 5544460), (20, 3881122), (28, 2772230), (35, 2217784), (40, 1940561), (56, 1386115), (70, 1108892), (140, 554446), (280, 277223)]