189990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2111}}^1$

素因数の和:2124

約数の個数: 24

約数和(自身を含む): 494208

約数和(自身を除く): 304218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2111, 4222, 6333, 10555, 12666, 18999, 21110, 31665, 37998, 63330, 94995, 189990]

約数ペア:

[(1, 189990), (2, 94995), (3, 63330), (5, 37998), (6, 31665), (9, 21110), (10, 18999), (15, 12666), (18, 10555), (30, 6333), (45, 4222), (90, 2111)]