137046980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{978907}}^1$

素因数の和:978923

約数の個数: 24

約数和(自身を含む): 328913088

約数和(自身を除く): 191866108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 978907, 1957814, 3915628, 4894535, 6852349, 9789070, 13704698, 19578140, 27409396, 34261745, 68523490, 137046980]

約数ペア:

[(1, 137046980), (2, 68523490), (4, 34261745), (5, 27409396), (7, 19578140), (10, 13704698), (14, 9789070), (20, 6852349), (28, 4894535), (35, 3915628), (70, 1957814), (140, 978907)]