13821489290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2129}}^1\times {\mathrm{13249}}^1$

素因数の和:15399

約数の個数: 48

約数和(自身を含む): 28956285000

約数和(自身を除く): 15134795710

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2129, 4258, 10645, 13249, 14903, 21290, 26498, 29806, 66245, 74515, 92743, 104321, 132490, 149030, 185486, 208642, 463715, 521605, 649201, 927430, 1043210, 1298402, 3246005, 6492010, 28207121, 56414242, 141035605, 197449847, 282071210, 394899694, 987249235, 1382148929, 1974498470, 2764297858, 6910744645, 13821489290]

約数ペア:

[(1, 13821489290), (2, 6910744645), (5, 2764297858), (7, 1974498470), (10, 1382148929), (14, 987249235), (35, 394899694), (49, 282071210), (70, 197449847), (98, 141035605), (245, 56414242), (490, 28207121), (2129, 6492010), (4258, 3246005), (10645, 1298402), (13249, 1043210), (14903, 927430), (21290, 649201), (26498, 521605), (29806, 463715), (66245, 208642), (74515, 185486), (92743, 149030), (104321, 132490)]