28945000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{827}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 77600160

約数和(自身を除く): 48655160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 827, 875, 1000, 1250, 1400, 1654, 1750, 2500, 3308, 3500, 4135, 4375, 5000, 5789, 6616, 7000, 8270, 8750, 11578, 16540, 17500, 20675, 23156, 28945, 33080, 35000, 41350, 46312, 57890, 82700, 103375, 115780, 144725, 165400, 206750, 231560, 289450, 413500, 516875, 578900, 723625, 827000, 1033750, 1157800, 1447250, 2067500, 2894500, 3618125, 4135000, 5789000, 7236250, 14472500, 28945000]

約数ペア:

[(1, 28945000), (2, 14472500), (4, 7236250), (5, 5789000), (7, 4135000), (8, 3618125), (10, 2894500), (14, 2067500), (20, 1447250), (25, 1157800), (28, 1033750), (35, 827000), (40, 723625), (50, 578900), (56, 516875), (70, 413500), (100, 289450), (125, 231560), (140, 206750), (175, 165400), (200, 144725), (250, 115780), (280, 103375), (350, 82700), (500, 57890), (625, 46312), (700, 41350), (827, 35000), (875, 33080), (1000, 28945), (1250, 23156), (1400, 20675), (1654, 17500), (1750, 16540), (2500, 11578), (3308, 8750), (3500, 8270), (4135, 7000), (4375, 6616), (5000, 5789)]