180490135

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{2789}}^1$

素因数の和:2887

約数の個数: 24

約数和(自身を含む): 253510560

約数和(自身を除く): 73020425

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1849, 2789, 9245, 12943, 13945, 19523, 64715, 97615, 119927, 599635, 839489, 4197445, 5156861, 25784305, 36098027, 180490135]

約数ペア:

[(1, 180490135), (5, 36098027), (7, 25784305), (35, 5156861), (43, 4197445), (215, 839489), (301, 599635), (1505, 119927), (1849, 97615), (2789, 64715), (9245, 19523), (12943, 13945)]