51472540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 72

約数和(自身を含む): 128241792

約数和(自身を除く): 76769252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 53, 70, 98, 106, 140, 196, 212, 245, 265, 371, 490, 530, 742, 980, 991, 1060, 1484, 1855, 1982, 2597, 3710, 3964, 4955, 5194, 6937, 7420, 9910, 10388, 12985, 13874, 19820, 25970, 27748, 34685, 48559, 51940, 52523, 69370, 97118, 105046, 138740, 194236, 210092, 242795, 262615, 367661, 485590, 525230, 735322, 971180, 1050460, 1470644, 1838305, 2573627, 3676610, 5147254, 7353220, 10294508, 12868135, 25736270, 51472540]

約数ペア:

[(1, 51472540), (2, 25736270), (4, 12868135), (5, 10294508), (7, 7353220), (10, 5147254), (14, 3676610), (20, 2573627), (28, 1838305), (35, 1470644), (49, 1050460), (53, 971180), (70, 735322), (98, 525230), (106, 485590), (140, 367661), (196, 262615), (212, 242795), (245, 210092), (265, 194236), (371, 138740), (490, 105046), (530, 97118), (742, 69370), (980, 52523), (991, 51940), (1060, 48559), (1484, 34685), (1855, 27748), (1982, 25970), (2597, 19820), (3710, 13874), (3964, 12985), (4955, 10388), (5194, 9910), (6937, 7420)]