68802440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245723}}^1$

素因数の和:245741

約数の個数: 32

約数和(自身を含む): 176921280

約数和(自身を除く): 108118840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245723, 491446, 982892, 1228615, 1720061, 1965784, 2457230, 3440122, 4914460, 6880244, 8600305, 9828920, 13760488, 17200610, 34401220, 68802440]

約数ペア:

[(1, 68802440), (2, 34401220), (4, 17200610), (5, 13760488), (7, 9828920), (8, 8600305), (10, 6880244), (14, 4914460), (20, 3440122), (28, 2457230), (35, 1965784), (40, 1720061), (56, 1228615), (70, 982892), (140, 491446), (280, 245723)]