209872120

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{6151}}^1$

素因数の和:7015

約数の個数: 32

約数和(自身を含む): 472842720

約数和(自身を除く): 262970600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1706, 3412, 4265, 6151, 6824, 8530, 12302, 17060, 24604, 30755, 34120, 49208, 61510, 123020, 246040, 5246803, 10493606, 20987212, 26234015, 41974424, 52468030, 104936060, 209872120]

約数ペア:

[(1, 209872120), (2, 104936060), (4, 52468030), (5, 41974424), (8, 26234015), (10, 20987212), (20, 10493606), (40, 5246803), (853, 246040), (1706, 123020), (3412, 61510), (4265, 49208), (6151, 34120), (6824, 30755), (8530, 24604), (12302, 17060)]