1328390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{2711}}^1$

素因数の和:2732

約数の個数: 24

約数和(自身を含む): 2782512

約数和(自身を除く): 1454122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 2711, 5422, 13555, 18977, 27110, 37954, 94885, 132839, 189770, 265678, 664195, 1328390]

約数ペア:

[(1, 1328390), (2, 664195), (5, 265678), (7, 189770), (10, 132839), (14, 94885), (35, 37954), (49, 27110), (70, 18977), (98, 13555), (245, 5422), (490, 2711)]