156936820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1097}}^1$

素因数の和:1440

約数の個数: 48

約数和(自身を含む): 345316608

約数和(自身を除く): 188379788

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 311, 460, 622, 1097, 1244, 1555, 2194, 3110, 4388, 5485, 6220, 7153, 10970, 14306, 21940, 25231, 28612, 35765, 50462, 71530, 100924, 126155, 143060, 252310, 341167, 504620, 682334, 1364668, 1705835, 3411670, 6823340, 7846841, 15693682, 31387364, 39234205, 78468410, 156936820]

約数ペア:

[(1, 156936820), (2, 78468410), (4, 39234205), (5, 31387364), (10, 15693682), (20, 7846841), (23, 6823340), (46, 3411670), (92, 1705835), (115, 1364668), (230, 682334), (311, 504620), (460, 341167), (622, 252310), (1097, 143060), (1244, 126155), (1555, 100924), (2194, 71530), (3110, 50462), (4388, 35765), (5485, 28612), (6220, 25231), (7153, 21940), (10970, 14306)]