289797740

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{14831}}^1$

素因数の和:15817

約数の個数: 24

約数和(自身を含む): 609239232

約数和(自身を除く): 319441492

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 14831, 19540, 29662, 59324, 74155, 148310, 296620, 14489887, 28979774, 57959548, 72449435, 144898870, 289797740]

約数ペア:

[(1, 289797740), (2, 144898870), (4, 72449435), (5, 57959548), (10, 28979774), (20, 14489887), (977, 296620), (1954, 148310), (3908, 74155), (4885, 59324), (9770, 29662), (14831, 19540)]