252778510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 494968320

約数和(自身を除く): 242189810

約数列:

[1, 2, 5, 10, 23, 43, 46, 61, 86, 115, 122, 215, 230, 305, 419, 430, 610, 838, 989, 1403, 1978, 2095, 2623, 2806, 4190, 4945, 5246, 7015, 9637, 9890, 13115, 14030, 18017, 19274, 25559, 26230, 36034, 48185, 51118, 60329, 90085, 96370, 120658, 127795, 180170, 255590, 301645, 414391, 587857, 603290, 828782, 1099037, 1175714, 2071955, 2198074, 2939285, 4143910, 5495185, 5878570, 10990370, 25277851, 50555702, 126389255, 252778510]

約数ペア:

[(1, 252778510), (2, 126389255), (5, 50555702), (10, 25277851), (23, 10990370), (43, 5878570), (46, 5495185), (61, 4143910), (86, 2939285), (115, 2198074), (122, 2071955), (215, 1175714), (230, 1099037), (305, 828782), (419, 603290), (430, 587857), (610, 414391), (838, 301645), (989, 255590), (1403, 180170), (1978, 127795), (2095, 120658), (2623, 96370), (2806, 90085), (4190, 60329), (4945, 51118), (5246, 48185), (7015, 36034), (9637, 26230), (9890, 25559), (13115, 19274), (14030, 18017)]