161992700

素因数分解:

$2^2\times 5^2\times {\mathrm{571}}^1\times {\mathrm{2837}}^1$

素因数の和:3422

約数の個数: 36

約数和(自身を含む): 352263912

約数和(自身を除く): 190271212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 571, 1142, 2284, 2837, 2855, 5674, 5710, 11348, 11420, 14185, 14275, 28370, 28550, 56740, 57100, 70925, 141850, 283700, 1619927, 3239854, 6479708, 8099635, 16199270, 32398540, 40498175, 80996350, 161992700]

約数ペア:

[(1, 161992700), (2, 80996350), (4, 40498175), (5, 32398540), (10, 16199270), (20, 8099635), (25, 6479708), (50, 3239854), (100, 1619927), (571, 283700), (1142, 141850), (2284, 70925), (2837, 57100), (2855, 56740), (5674, 28550), (5710, 28370), (11348, 14275), (11420, 14185)]