513038540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3664561}}^1$

素因数の和:3664577

約数の個数: 24

約数和(自身を含む): 1231292832

約数和(自身を除く): 718254292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3664561, 7329122, 14658244, 18322805, 25651927, 36645610, 51303854, 73291220, 102607708, 128259635, 256519270, 513038540]

約数ペア:

[(1, 513038540), (2, 256519270), (4, 128259635), (5, 102607708), (7, 73291220), (10, 51303854), (14, 36645610), (20, 25651927), (28, 18322805), (35, 14658244), (70, 7329122), (140, 3664561)]