13400940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31907}}^1$

素因数の和:31926

約数の個数: 48

約数和(自身を含む): 42884352

約数和(自身を除く): 29483412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 31907, 63814, 95721, 127628, 159535, 191442, 223349, 319070, 382884, 446698, 478605, 638140, 670047, 893396, 957210, 1116745, 1340094, 1914420, 2233490, 2680188, 3350235, 4466980, 6700470, 13400940]

約数ペア:

[(1, 13400940), (2, 6700470), (3, 4466980), (4, 3350235), (5, 2680188), (6, 2233490), (7, 1914420), (10, 1340094), (12, 1116745), (14, 957210), (15, 893396), (20, 670047), (21, 638140), (28, 478605), (30, 446698), (35, 382884), (42, 319070), (60, 223349), (70, 191442), (84, 159535), (105, 127628), (140, 95721), (210, 63814), (420, 31907)]