28781370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1819

約数の個数: 48

約数和(自身を含む): 75254400

約数和(自身を除く): 46473030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 597, 995, 1194, 1607, 1791, 1990, 2985, 3214, 3582, 4821, 5970, 8035, 8955, 9642, 14463, 16070, 17910, 24105, 28926, 48210, 72315, 144630, 319793, 639586, 959379, 1598965, 1918758, 2878137, 3197930, 4796895, 5756274, 9593790, 14390685, 28781370]

約数ペア:

[(1, 28781370), (2, 14390685), (3, 9593790), (5, 5756274), (6, 4796895), (9, 3197930), (10, 2878137), (15, 1918758), (18, 1598965), (30, 959379), (45, 639586), (90, 319793), (199, 144630), (398, 72315), (597, 48210), (995, 28926), (1194, 24105), (1607, 17910), (1791, 16070), (1990, 14463), (2985, 9642), (3214, 8955), (3582, 8035), (4821, 5970)]