74781990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{830911}}^1$

素因数の和:830924

約数の個数: 24

約数和(自身を含む): 194433408

約数和(自身を除く): 119651418

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 830911, 1661822, 2492733, 4154555, 4985466, 7478199, 8309110, 12463665, 14956398, 24927330, 37390995, 74781990]

約数ペア:

[(1, 74781990), (2, 37390995), (3, 24927330), (5, 14956398), (6, 12463665), (9, 8309110), (10, 7478199), (15, 4985466), (18, 4154555), (30, 2492733), (45, 1661822), (90, 830911)]