49420000

素因数分解:

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

素因数の和:390

約数の個数: 120

約数和(自身を含む): 139342896

約数和(自身を除く): 89922896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 353, 400, 500, 560, 625, 700, 706, 800, 875, 1000, 1120, 1250, 1400, 1412, 1750, 1765, 2000, 2471, 2500, 2800, 2824, 3500, 3530, 4000, 4375, 4942, 5000, 5600, 5648, 7000, 7060, 8750, 8825, 9884, 10000, 11296, 12355, 14000, 14120, 17500, 17650, 19768, 20000, 24710, 28000, 28240, 35000, 35300, 39536, 44125, 49420, 56480, 61775, 70000, 70600, 79072, 88250, 98840, 123550, 140000, 141200, 176500, 197680, 220625, 247100, 282400, 308875, 353000, 395360, 441250, 494200, 617750, 706000, 882500, 988400, 1235500, 1412000, 1544375, 1765000, 1976800, 2471000, 3088750, 3530000, 4942000, 6177500, 7060000, 9884000, 12355000, 24710000, 49420000]

約数ペア:

[(1, 49420000), (2, 24710000), (4, 12355000), (5, 9884000), (7, 7060000), (8, 6177500), (10, 4942000), (14, 3530000), (16, 3088750), (20, 2471000), (25, 1976800), (28, 1765000), (32, 1544375), (35, 1412000), (40, 1235500), (50, 988400), (56, 882500), (70, 706000), (80, 617750), (100, 494200), (112, 441250), (125, 395360), (140, 353000), (160, 308875), (175, 282400), (200, 247100), (224, 220625), (250, 197680), (280, 176500), (350, 141200), (353, 140000), (400, 123550), (500, 98840), (560, 88250), (625, 79072), (700, 70600), (706, 70000), (800, 61775), (875, 56480), (1000, 49420), (1120, 44125), (1250, 39536), (1400, 35300), (1412, 35000), (1750, 28240), (1765, 28000), (2000, 24710), (2471, 20000), (2500, 19768), (2800, 17650), (2824, 17500), (3500, 14120), (3530, 14000), (4000, 12355), (4375, 11296), (4942, 10000), (5000, 9884), (5600, 8825), (5648, 8750), (7000, 7060)]