51998800

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{379}}^1$

素因数の和:418

約数の個数: 120

約数和(自身を含む): 146072000

約数和(自身を除く): 94073200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 343, 350, 379, 392, 400, 490, 560, 686, 700, 758, 784, 980, 1225, 1372, 1400, 1516, 1715, 1895, 1960, 2450, 2653, 2744, 2800, 3032, 3430, 3790, 3920, 4900, 5306, 5488, 6064, 6860, 7580, 8575, 9475, 9800, 10612, 13265, 13720, 15160, 17150, 18571, 18950, 19600, 21224, 26530, 27440, 30320, 34300, 37142, 37900, 42448, 53060, 66325, 68600, 74284, 75800, 92855, 106120, 129997, 132650, 137200, 148568, 151600, 185710, 212240, 259994, 265300, 297136, 371420, 464275, 519988, 530600, 649985, 742840, 928550, 1039976, 1061200, 1299970, 1485680, 1857100, 2079952, 2599940, 3249925, 3714200, 5199880, 6499850, 7428400, 10399760, 12999700, 25999400, 51998800]

約数ペア:

[(1, 51998800), (2, 25999400), (4, 12999700), (5, 10399760), (7, 7428400), (8, 6499850), (10, 5199880), (14, 3714200), (16, 3249925), (20, 2599940), (25, 2079952), (28, 1857100), (35, 1485680), (40, 1299970), (49, 1061200), (50, 1039976), (56, 928550), (70, 742840), (80, 649985), (98, 530600), (100, 519988), (112, 464275), (140, 371420), (175, 297136), (196, 265300), (200, 259994), (245, 212240), (280, 185710), (343, 151600), (350, 148568), (379, 137200), (392, 132650), (400, 129997), (490, 106120), (560, 92855), (686, 75800), (700, 74284), (758, 68600), (784, 66325), (980, 53060), (1225, 42448), (1372, 37900), (1400, 37142), (1516, 34300), (1715, 30320), (1895, 27440), (1960, 26530), (2450, 21224), (2653, 19600), (2744, 18950), (2800, 18571), (3032, 17150), (3430, 15160), (3790, 13720), (3920, 13265), (4900, 10612), (5306, 9800), (5488, 9475), (6064, 8575), (6860, 7580)]