390029820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{6500497}}^1$

素因数の和:6500509

約数の個数: 24

約数和(自身を含む): 1092083664

約数和(自身を除く): 702053844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 6500497, 13000994, 19501491, 26001988, 32502485, 39002982, 65004970, 78005964, 97507455, 130009940, 195014910, 390029820]

約数ペア:

[(1, 390029820), (2, 195014910), (3, 130009940), (4, 97507455), (5, 78005964), (6, 65004970), (10, 39002982), (12, 32502485), (15, 26001988), (20, 19501491), (30, 13000994), (60, 6500497)]