40198130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{82037}}^1$

素因数の和:82058

約数の個数: 24

約数和(自身を含む): 84170988

約数和(自身を除く): 43972858

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 82037, 164074, 410185, 574259, 820370, 1148518, 2871295, 4019813, 5742590, 8039626, 20099065, 40198130]

約数ペア:

[(1, 40198130), (2, 20099065), (5, 8039626), (7, 5742590), (10, 4019813), (14, 2871295), (35, 1148518), (49, 820370), (70, 574259), (98, 410185), (245, 164074), (490, 82037)]