251330800

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{12823}}^1$

素因数の和:12855

約数の個数: 90

約数和(自身を含む): 702460248

約数和(自身を除く): 451129448

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, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4900, 9800, 12823, 19600, 25646, 51292, 64115, 89761, 102584, 128230, 179522, 205168, 256460, 320575, 359044, 448805, 512920, 628327, 641150, 718088, 897610, 1025840, 1256654, 1282300, 1436176, 1795220, 2244025, 2513308, 2564600, 3141635, 3590440, 4488050, 5026616, 5129200, 6283270, 7180880, 8976100, 10053232, 12566540, 15708175, 17952200, 25133080, 31416350, 35904400, 50266160, 62832700, 125665400, 251330800]

約数ペア:

[(1, 251330800), (2, 125665400), (4, 62832700), (5, 50266160), (7, 35904400), (8, 31416350), (10, 25133080), (14, 17952200), (16, 15708175), (20, 12566540), (25, 10053232), (28, 8976100), (35, 7180880), (40, 6283270), (49, 5129200), (50, 5026616), (56, 4488050), (70, 3590440), (80, 3141635), (98, 2564600), (100, 2513308), (112, 2244025), (140, 1795220), (175, 1436176), (196, 1282300), (200, 1256654), (245, 1025840), (280, 897610), (350, 718088), (392, 641150), (400, 628327), (490, 512920), (560, 448805), (700, 359044), (784, 320575), (980, 256460), (1225, 205168), (1400, 179522), (1960, 128230), (2450, 102584), (2800, 89761), (3920, 64115), (4900, 51292), (9800, 25646), (12823, 19600)]