390493030

素因数分解:

$2^1\times 5^1\times {\mathrm{2503}}^1\times {\mathrm{15601}}^1$

素因数の和:18111

約数の個数: 16

約数和(自身を含む): 703213344

約数和(自身を除く): 312720314

約数列:

[1, 2, 5, 10, 2503, 5006, 12515, 15601, 25030, 31202, 78005, 156010, 39049303, 78098606, 195246515, 390493030]

約数ペア:

[(1, 390493030), (2, 195246515), (5, 78098606), (10, 39049303), (2503, 156010), (5006, 78005), (12515, 31202), (15601, 25030)]