3530000

素因数分解:

$2^4\times 5^4\times {\mathrm{353}}^1$

素因数の和:381

約数の個数: 50

約数和(自身を含む): 8570694

約数和(自身を除く): 5040694

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 353, 400, 500, 625, 706, 1000, 1250, 1412, 1765, 2000, 2500, 2824, 3530, 5000, 5648, 7060, 8825, 10000, 14120, 17650, 28240, 35300, 44125, 70600, 88250, 141200, 176500, 220625, 353000, 441250, 706000, 882500, 1765000, 3530000]

約数ペア:

[(1, 3530000), (2, 1765000), (4, 882500), (5, 706000), (8, 441250), (10, 353000), (16, 220625), (20, 176500), (25, 141200), (40, 88250), (50, 70600), (80, 44125), (100, 35300), (125, 28240), (200, 17650), (250, 14120), (353, 10000), (400, 8825), (500, 7060), (625, 5648), (706, 5000), (1000, 3530), (1250, 2824), (1412, 2500), (1765, 2000)]