51478700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5657}}^1$

素因数の和:5691

約数の個数: 72

約数和(自身を含む): 137512032

約数和(自身を除く): 86033332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 5657, 9100, 11314, 22628, 28285, 39599, 56570, 73541, 79198, 113140, 141425, 147082, 158396, 197995, 282850, 294164, 367705, 395990, 514787, 565700, 735410, 791980, 989975, 1029574, 1470820, 1838525, 1979950, 2059148, 2573935, 3677050, 3959900, 5147870, 7354100, 10295740, 12869675, 25739350, 51478700]

約数ペア:

[(1, 51478700), (2, 25739350), (4, 12869675), (5, 10295740), (7, 7354100), (10, 5147870), (13, 3959900), (14, 3677050), (20, 2573935), (25, 2059148), (26, 1979950), (28, 1838525), (35, 1470820), (50, 1029574), (52, 989975), (65, 791980), (70, 735410), (91, 565700), (100, 514787), (130, 395990), (140, 367705), (175, 294164), (182, 282850), (260, 197995), (325, 158396), (350, 147082), (364, 141425), (455, 113140), (650, 79198), (700, 73541), (910, 56570), (1300, 39599), (1820, 28285), (2275, 22628), (4550, 11314), (5657, 9100)]