12777940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:976

約数の個数: 48

約数和(自身を含む): 30989952

約数和(自身を除く): 18212012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 853, 1070, 1498, 1706, 2140, 2996, 3412, 3745, 4265, 5971, 7490, 8530, 11942, 14980, 17060, 23884, 29855, 59710, 91271, 119420, 182542, 365084, 456355, 638897, 912710, 1277794, 1825420, 2555588, 3194485, 6388970, 12777940]

約数ペア:

[(1, 12777940), (2, 6388970), (4, 3194485), (5, 2555588), (7, 1825420), (10, 1277794), (14, 912710), (20, 638897), (28, 456355), (35, 365084), (70, 182542), (107, 119420), (140, 91271), (214, 59710), (428, 29855), (535, 23884), (749, 17060), (853, 14980), (1070, 11942), (1498, 8530), (1706, 7490), (2140, 5971), (2996, 4265), (3412, 3745)]