84877700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{19739}}^1$

素因数の和:19796

約数の個数: 36

約数和(自身を含む): 188477520

約数和(自身を除く): 103599820

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 19739, 39478, 78956, 98695, 197390, 394780, 493475, 848777, 986950, 1697554, 1973900, 3395108, 4243885, 8487770, 16975540, 21219425, 42438850, 84877700]

約数ペア:

[(1, 84877700), (2, 42438850), (4, 21219425), (5, 16975540), (10, 8487770), (20, 4243885), (25, 3395108), (43, 1973900), (50, 1697554), (86, 986950), (100, 848777), (172, 493475), (215, 394780), (430, 197390), (860, 98695), (1075, 78956), (2150, 39478), (4300, 19739)]