51716140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3389}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 125294400

約数和(自身を除く): 73578260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3389, 3815, 6778, 7630, 13556, 15260, 16945, 23723, 33890, 47446, 67780, 94892, 118615, 237230, 369401, 474460, 738802, 1477604, 1847005, 2585807, 3694010, 5171614, 7388020, 10343228, 12929035, 25858070, 51716140]

約数ペア:

[(1, 51716140), (2, 25858070), (4, 12929035), (5, 10343228), (7, 7388020), (10, 5171614), (14, 3694010), (20, 2585807), (28, 1847005), (35, 1477604), (70, 738802), (109, 474460), (140, 369401), (218, 237230), (436, 118615), (545, 94892), (763, 67780), (1090, 47446), (1526, 33890), (2180, 23723), (3052, 16945), (3389, 15260), (3815, 13556), (6778, 7630)]