12712900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{6691}}^1$

素因数の和:6724

約数の個数: 36

約数和(自身を含む): 29043280

約数和(自身を除く): 16330380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 6691, 13382, 26764, 33455, 66910, 127129, 133820, 167275, 254258, 334550, 508516, 635645, 669100, 1271290, 2542580, 3178225, 6356450, 12712900]

約数ペア:

[(1, 12712900), (2, 6356450), (4, 3178225), (5, 2542580), (10, 1271290), (19, 669100), (20, 635645), (25, 508516), (38, 334550), (50, 254258), (76, 167275), (95, 133820), (100, 127129), (190, 66910), (380, 33455), (475, 26764), (950, 13382), (1900, 6691)]