2181250

素因数分解:

$2^1\times 5^5\times {\mathrm{349}}^1$

素因数の和:376

約数の個数: 24

約数和(自身を含む): 4101300

約数和(自身を除く): 1920050

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 349, 625, 698, 1250, 1745, 3125, 3490, 6250, 8725, 17450, 43625, 87250, 218125, 436250, 1090625, 2181250]

約数ペア:

[(1, 2181250), (2, 1090625), (5, 436250), (10, 218125), (25, 87250), (50, 43625), (125, 17450), (250, 8725), (349, 6250), (625, 3490), (698, 3125), (1250, 1745)]