200759860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{204857}}^1$

素因数の和:204880

約数の個数: 36

約数和(自身を含む): 490430052

約数和(自身を除く): 289670192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 204857, 409714, 819428, 1024285, 1433999, 2048570, 2867998, 4097140, 5735996, 7169995, 10037993, 14339990, 20075986, 28679980, 40151972, 50189965, 100379930, 200759860]

約数ペア:

[(1, 200759860), (2, 100379930), (4, 50189965), (5, 40151972), (7, 28679980), (10, 20075986), (14, 14339990), (20, 10037993), (28, 7169995), (35, 5735996), (49, 4097140), (70, 2867998), (98, 2048570), (140, 1433999), (196, 1024285), (245, 819428), (490, 409714), (980, 204857)]