209489000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{29927}}^1$

素因数の和:29955

約数の個数: 64

約数和(自身を含む): 560252160

約数和(自身を除く): 350763160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 29927, 59854, 119708, 149635, 209489, 239416, 299270, 418978, 598540, 748175, 837956, 1047445, 1197080, 1496350, 1675912, 2094890, 2992700, 3740875, 4189780, 5237225, 5985400, 7481750, 8379560, 10474450, 14963500, 20948900, 26186125, 29927000, 41897800, 52372250, 104744500, 209489000]

約数ペア:

[(1, 209489000), (2, 104744500), (4, 52372250), (5, 41897800), (7, 29927000), (8, 26186125), (10, 20948900), (14, 14963500), (20, 10474450), (25, 8379560), (28, 7481750), (35, 5985400), (40, 5237225), (50, 4189780), (56, 3740875), (70, 2992700), (100, 2094890), (125, 1675912), (140, 1496350), (175, 1197080), (200, 1047445), (250, 837956), (280, 748175), (350, 598540), (500, 418978), (700, 299270), (875, 239416), (1000, 209489), (1400, 149635), (1750, 119708), (3500, 59854), (7000, 29927)]