201942440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721223}}^1$

素因数の和:721241

約数の個数: 32

約数和(自身を含む): 519281280

約数和(自身を除く): 317338840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721223, 1442446, 2884892, 3606115, 5048561, 5769784, 7212230, 10097122, 14424460, 20194244, 25242805, 28848920, 40388488, 50485610, 100971220, 201942440]

約数ペア:

[(1, 201942440), (2, 100971220), (4, 50485610), (5, 40388488), (7, 28848920), (8, 25242805), (10, 20194244), (14, 14424460), (20, 10097122), (28, 7212230), (35, 5769784), (40, 5048561), (56, 3606115), (70, 2884892), (140, 1442446), (280, 721223)]