201548740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1789}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 436645440

約数和(自身を除く): 235096700

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 131, 172, 215, 262, 430, 524, 655, 860, 1310, 1789, 2620, 3578, 5633, 7156, 8945, 11266, 17890, 22532, 28165, 35780, 56330, 76927, 112660, 153854, 234359, 307708, 384635, 468718, 769270, 937436, 1171795, 1538540, 2343590, 4687180, 10077437, 20154874, 40309748, 50387185, 100774370, 201548740]

約数ペア:

[(1, 201548740), (2, 100774370), (4, 50387185), (5, 40309748), (10, 20154874), (20, 10077437), (43, 4687180), (86, 2343590), (131, 1538540), (172, 1171795), (215, 937436), (262, 769270), (430, 468718), (524, 384635), (655, 307708), (860, 234359), (1310, 153854), (1789, 112660), (2620, 76927), (3578, 56330), (5633, 35780), (7156, 28165), (8945, 22532), (11266, 17890)]