158778890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{5039}}^1$

素因数の和:5206

約数の個数: 32

約数和(自身を含む): 300464640

約数和(自身を除く): 141685750

約数列:

[1, 2, 5, 10, 23, 46, 115, 137, 230, 274, 685, 1370, 3151, 5039, 6302, 10078, 15755, 25195, 31510, 50390, 115897, 231794, 579485, 690343, 1158970, 1380686, 3451715, 6903430, 15877889, 31755778, 79389445, 158778890]

約数ペア:

[(1, 158778890), (2, 79389445), (5, 31755778), (10, 15877889), (23, 6903430), (46, 3451715), (115, 1380686), (137, 1158970), (230, 690343), (274, 579485), (685, 231794), (1370, 115897), (3151, 50390), (5039, 31510), (6302, 25195), (10078, 15755)]