201789990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2242111}}^1$

素因数の和:2242124

約数の個数: 24

約数和(自身を含む): 524654208

約数和(自身を除く): 322864218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2242111, 4484222, 6726333, 11210555, 13452666, 20178999, 22421110, 33631665, 40357998, 67263330, 100894995, 201789990]

約数ペア:

[(1, 201789990), (2, 100894995), (3, 67263330), (5, 40357998), (6, 33631665), (9, 22421110), (10, 20178999), (15, 13452666), (18, 11210555), (30, 6726333), (45, 4484222), (90, 2242111)]