1979730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{21997}}^1$

素因数の和:22010

約数の個数: 24

約数和(自身を含む): 5147532

約数和(自身を除く): 3167802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 21997, 43994, 65991, 109985, 131982, 197973, 219970, 329955, 395946, 659910, 989865, 1979730]

約数ペア:

[(1, 1979730), (2, 989865), (3, 659910), (5, 395946), (6, 329955), (9, 219970), (10, 197973), (15, 131982), (18, 109985), (30, 65991), (45, 43994), (90, 21997)]