69998740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6329}}^1$

素因数の和:6424

約数の個数: 48

約数和(自身を含む): 170150400

約数和(自身を除く): 100151660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 6329, 11060, 12658, 25316, 31645, 44303, 63290, 88606, 126580, 177212, 221515, 443030, 499991, 886060, 999982, 1999964, 2499955, 3499937, 4999910, 6999874, 9999820, 13999748, 17499685, 34999370, 69998740]

約数ペア:

[(1, 69998740), (2, 34999370), (4, 17499685), (5, 13999748), (7, 9999820), (10, 6999874), (14, 4999910), (20, 3499937), (28, 2499955), (35, 1999964), (70, 999982), (79, 886060), (140, 499991), (158, 443030), (316, 221515), (395, 177212), (553, 126580), (790, 88606), (1106, 63290), (1580, 44303), (2212, 31645), (2765, 25316), (5530, 12658), (6329, 11060)]