153661940

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{56081}}^1$

素因数の和:56227

約数の個数: 24

約数和(自身を含む): 325051272

約数和(自身を除く): 171389332

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 56081, 112162, 224324, 280405, 560810, 1121620, 7683097, 15366194, 30732388, 38415485, 76830970, 153661940]

約数ペア:

[(1, 153661940), (2, 76830970), (4, 38415485), (5, 30732388), (10, 15366194), (20, 7683097), (137, 1121620), (274, 560810), (548, 280405), (685, 224324), (1370, 112162), (2740, 56081)]