179739990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1997111}}^1$

素因数の和:1997124

約数の個数: 24

約数和(自身を含む): 467324208

約数和(自身を除く): 287584218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1997111, 3994222, 5991333, 9985555, 11982666, 17973999, 19971110, 29956665, 35947998, 59913330, 89869995, 179739990]

約数ペア:

[(1, 179739990), (2, 89869995), (3, 59913330), (5, 35947998), (6, 29956665), (9, 19971110), (10, 17973999), (15, 11982666), (18, 9985555), (30, 5991333), (45, 3994222), (90, 1997111)]