208349000

素因数分解:

$2^3\times 5^3\times {\mathrm{89}}^1\times {\mathrm{2341}}^1$

素因数の和:2451

約数の個数: 64

約数和(自身を含む): 493225200

約数和(自身を除く): 284876200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 125, 178, 200, 250, 356, 445, 500, 712, 890, 1000, 1780, 2225, 2341, 3560, 4450, 4682, 8900, 9364, 11125, 11705, 17800, 18728, 22250, 23410, 44500, 46820, 58525, 89000, 93640, 117050, 208349, 234100, 292625, 416698, 468200, 585250, 833396, 1041745, 1170500, 1666792, 2083490, 2341000, 4166980, 5208725, 8333960, 10417450, 20834900, 26043625, 41669800, 52087250, 104174500, 208349000]

約数ペア:

[(1, 208349000), (2, 104174500), (4, 52087250), (5, 41669800), (8, 26043625), (10, 20834900), (20, 10417450), (25, 8333960), (40, 5208725), (50, 4166980), (89, 2341000), (100, 2083490), (125, 1666792), (178, 1170500), (200, 1041745), (250, 833396), (356, 585250), (445, 468200), (500, 416698), (712, 292625), (890, 234100), (1000, 208349), (1780, 117050), (2225, 93640), (2341, 89000), (3560, 58525), (4450, 46820), (4682, 44500), (8900, 23410), (9364, 22250), (11125, 18728), (11705, 17800)]