988400

素因数分解:

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

素因数の和:378

約数の個数: 60

約数和(自身を含む): 2721552

約数和(自身を除く): 1733152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 353, 400, 560, 700, 706, 1400, 1412, 1765, 2471, 2800, 2824, 3530, 4942, 5648, 7060, 8825, 9884, 12355, 14120, 17650, 19768, 24710, 28240, 35300, 39536, 49420, 61775, 70600, 98840, 123550, 141200, 197680, 247100, 494200, 988400]

約数ペア:

[(1, 988400), (2, 494200), (4, 247100), (5, 197680), (7, 141200), (8, 123550), (10, 98840), (14, 70600), (16, 61775), (20, 49420), (25, 39536), (28, 35300), (35, 28240), (40, 24710), (50, 19768), (56, 17650), (70, 14120), (80, 12355), (100, 9884), (112, 8825), (140, 7060), (175, 5648), (200, 4942), (280, 3530), (350, 2824), (353, 2800), (400, 2471), (560, 1765), (700, 1412), (706, 1400)]