12355000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{353}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 33176880

約数和(自身を除く): 20821880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 353, 500, 625, 700, 706, 875, 1000, 1250, 1400, 1412, 1750, 1765, 2471, 2500, 2824, 3500, 3530, 4375, 4942, 5000, 7000, 7060, 8750, 8825, 9884, 12355, 14120, 17500, 17650, 19768, 24710, 35000, 35300, 44125, 49420, 61775, 70600, 88250, 98840, 123550, 176500, 220625, 247100, 308875, 353000, 441250, 494200, 617750, 882500, 1235500, 1544375, 1765000, 2471000, 3088750, 6177500, 12355000]

約数ペア:

[(1, 12355000), (2, 6177500), (4, 3088750), (5, 2471000), (7, 1765000), (8, 1544375), (10, 1235500), (14, 882500), (20, 617750), (25, 494200), (28, 441250), (35, 353000), (40, 308875), (50, 247100), (56, 220625), (70, 176500), (100, 123550), (125, 98840), (140, 88250), (175, 70600), (200, 61775), (250, 49420), (280, 44125), (350, 35300), (353, 35000), (500, 24710), (625, 19768), (700, 17650), (706, 17500), (875, 14120), (1000, 12355), (1250, 9884), (1400, 8825), (1412, 8750), (1750, 7060), (1765, 7000), (2471, 5000), (2500, 4942), (2824, 4375), (3500, 3530)]