2857270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 5725440

約数和(自身を除く): 2868170

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 709, 806, 1418, 2015, 3545, 4030, 7090, 9217, 18434, 21979, 43958, 46085, 92170, 109895, 219790, 285727, 571454, 1428635, 2857270]

約数ペア:

[(1, 2857270), (2, 1428635), (5, 571454), (10, 285727), (13, 219790), (26, 109895), (31, 92170), (62, 46085), (65, 43958), (130, 21979), (155, 18434), (310, 9217), (403, 7090), (709, 4030), (806, 3545), (1418, 2015)]