98840

素因数分解:

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

素因数の和:371

約数の個数: 32

約数和(自身を含む): 254880

約数和(自身を除く): 156040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 353, 706, 1412, 1765, 2471, 2824, 3530, 4942, 7060, 9884, 12355, 14120, 19768, 24710, 49420, 98840]

約数ペア:

[(1, 98840), (2, 49420), (4, 24710), (5, 19768), (7, 14120), (8, 12355), (10, 9884), (14, 7060), (20, 4942), (28, 3530), (35, 2824), (40, 2471), (56, 1765), (70, 1412), (140, 706), (280, 353)]