129786790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{264871}}^1$

素因数の和:264892

約数の個数: 24

約数和(自身を含む): 271758672

約数和(自身を除く): 141971882

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 264871, 529742, 1324355, 1854097, 2648710, 3708194, 9270485, 12978679, 18540970, 25957358, 64893395, 129786790]

約数ペア:

[(1, 129786790), (2, 64893395), (5, 25957358), (7, 18540970), (10, 12978679), (14, 9270485), (35, 3708194), (49, 2648710), (70, 1854097), (98, 1324355), (245, 529742), (490, 264871)]