19949700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{66499}}^1$

素因数の和:66516

約数の個数: 36

約数和(自身を含む): 57722000

約数和(自身を除く): 37772300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 66499, 132998, 199497, 265996, 332495, 398994, 664990, 797988, 997485, 1329980, 1662475, 1994970, 3324950, 3989940, 4987425, 6649900, 9974850, 19949700]

約数ペア:

[(1, 19949700), (2, 9974850), (3, 6649900), (4, 4987425), (5, 3989940), (6, 3324950), (10, 1994970), (12, 1662475), (15, 1329980), (20, 997485), (25, 797988), (30, 664990), (50, 398994), (60, 332495), (75, 265996), (100, 199497), (150, 132998), (300, 66499)]