139749470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{929}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 293887440

約数和(自身を除く): 154137970

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 307, 490, 614, 929, 1535, 1858, 2149, 3070, 4298, 4645, 6503, 9290, 10745, 13006, 15043, 21490, 30086, 32515, 45521, 65030, 75215, 91042, 150430, 227605, 285203, 455210, 570406, 1426015, 1996421, 2852030, 3992842, 9982105, 13974947, 19964210, 27949894, 69874735, 139749470]

約数ペア:

[(1, 139749470), (2, 69874735), (5, 27949894), (7, 19964210), (10, 13974947), (14, 9982105), (35, 3992842), (49, 2852030), (70, 1996421), (98, 1426015), (245, 570406), (307, 455210), (490, 285203), (614, 227605), (929, 150430), (1535, 91042), (1858, 75215), (2149, 65030), (3070, 45521), (4298, 32515), (4645, 30086), (6503, 21490), (9290, 15043), (10745, 13006)]