178942010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19387}}^1$

素因数の和:19478

約数の個数: 32

約数和(自身を含む): 351775872

約数和(自身を除く): 172833862

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 19387, 38774, 96935, 193870, 252031, 504062, 1260155, 1376477, 2520310, 2752954, 6882385, 13764770, 17894201, 35788402, 89471005, 178942010]

約数ペア:

[(1, 178942010), (2, 89471005), (5, 35788402), (10, 17894201), (13, 13764770), (26, 6882385), (65, 2752954), (71, 2520310), (130, 1376477), (142, 1260155), (355, 504062), (710, 252031), (923, 193870), (1846, 96935), (4615, 38774), (9230, 19387)]