308485000

素因数分解:

$2^3\times 5^4\times {\mathrm{103}}^1\times {\mathrm{599}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 731016000

約数和(自身を除く): 422531000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 103, 125, 200, 206, 250, 412, 500, 515, 599, 625, 824, 1000, 1030, 1198, 1250, 2060, 2396, 2500, 2575, 2995, 4120, 4792, 5000, 5150, 5990, 10300, 11980, 12875, 14975, 20600, 23960, 25750, 29950, 51500, 59900, 61697, 64375, 74875, 103000, 119800, 123394, 128750, 149750, 246788, 257500, 299500, 308485, 374375, 493576, 515000, 599000, 616970, 748750, 1233940, 1497500, 1542425, 2467880, 2995000, 3084850, 6169700, 7712125, 12339400, 15424250, 30848500, 38560625, 61697000, 77121250, 154242500, 308485000]

約数ペア:

[(1, 308485000), (2, 154242500), (4, 77121250), (5, 61697000), (8, 38560625), (10, 30848500), (20, 15424250), (25, 12339400), (40, 7712125), (50, 6169700), (100, 3084850), (103, 2995000), (125, 2467880), (200, 1542425), (206, 1497500), (250, 1233940), (412, 748750), (500, 616970), (515, 599000), (599, 515000), (625, 493576), (824, 374375), (1000, 308485), (1030, 299500), (1198, 257500), (1250, 246788), (2060, 149750), (2396, 128750), (2500, 123394), (2575, 119800), (2995, 103000), (4120, 74875), (4792, 64375), (5000, 61697), (5150, 59900), (5990, 51500), (10300, 29950), (11980, 25750), (12875, 23960), (14975, 20600)]