2656780

素因数分解:

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

素因数の和:2734

約数の個数: 36

約数和(自身を含む): 6492528

約数和(自身を除く): 3835748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2711, 5422, 10844, 13555, 18977, 27110, 37954, 54220, 75908, 94885, 132839, 189770, 265678, 379540, 531356, 664195, 1328390, 2656780]

約数ペア:

[(1, 2656780), (2, 1328390), (4, 664195), (5, 531356), (7, 379540), (10, 265678), (14, 189770), (20, 132839), (28, 94885), (35, 75908), (49, 54220), (70, 37954), (98, 27110), (140, 18977), (196, 13555), (245, 10844), (490, 5422), (980, 2711)]