284480360

素因数分解:

$2^3\times 5^1\times {\mathrm{7112009}}^1$

素因数の和:7112020

約数の個数: 16

約数和(自身を含む): 640080900

約数和(自身を除く): 355600540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7112009, 14224018, 28448036, 35560045, 56896072, 71120090, 142240180, 284480360]

約数ペア:

[(1, 284480360), (2, 142240180), (4, 71120090), (5, 56896072), (8, 35560045), (10, 28448036), (20, 14224018), (40, 7112009)]