180250000

素因数分解:

$2^4\times 5^6\times 7^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 140

約数和(自身を含む): 503743552

約数和(自身を除く): 323493552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 103, 112, 125, 140, 175, 200, 206, 250, 280, 350, 400, 412, 500, 515, 560, 625, 700, 721, 824, 875, 1000, 1030, 1250, 1400, 1442, 1648, 1750, 2000, 2060, 2500, 2575, 2800, 2884, 3125, 3500, 3605, 4120, 4375, 5000, 5150, 5768, 6250, 7000, 7210, 8240, 8750, 10000, 10300, 11536, 12500, 12875, 14000, 14420, 15625, 17500, 18025, 20600, 21875, 25000, 25750, 28840, 31250, 35000, 36050, 41200, 43750, 50000, 51500, 57680, 62500, 64375, 70000, 72100, 87500, 90125, 103000, 109375, 125000, 128750, 144200, 175000, 180250, 206000, 218750, 250000, 257500, 288400, 321875, 350000, 360500, 437500, 450625, 515000, 643750, 721000, 875000, 901250, 1030000, 1287500, 1442000, 1609375, 1750000, 1802500, 2253125, 2575000, 3218750, 3605000, 4506250, 5150000, 6437500, 7210000, 9012500, 11265625, 12875000, 18025000, 22531250, 25750000, 36050000, 45062500, 90125000, 180250000]

約数ペア:

[(1, 180250000), (2, 90125000), (4, 45062500), (5, 36050000), (7, 25750000), (8, 22531250), (10, 18025000), (14, 12875000), (16, 11265625), (20, 9012500), (25, 7210000), (28, 6437500), (35, 5150000), (40, 4506250), (50, 3605000), (56, 3218750), (70, 2575000), (80, 2253125), (100, 1802500), (103, 1750000), (112, 1609375), (125, 1442000), (140, 1287500), (175, 1030000), (200, 901250), (206, 875000), (250, 721000), (280, 643750), (350, 515000), (400, 450625), (412, 437500), (500, 360500), (515, 350000), (560, 321875), (625, 288400), (700, 257500), (721, 250000), (824, 218750), (875, 206000), (1000, 180250), (1030, 175000), (1250, 144200), (1400, 128750), (1442, 125000), (1648, 109375), (1750, 103000), (2000, 90125), (2060, 87500), (2500, 72100), (2575, 70000), (2800, 64375), (2884, 62500), (3125, 57680), (3500, 51500), (3605, 50000), (4120, 43750), (4375, 41200), (5000, 36050), (5150, 35000), (5768, 31250), (6250, 28840), (7000, 25750), (7210, 25000), (8240, 21875), (8750, 20600), (10000, 18025), (10300, 17500), (11536, 15625), (12500, 14420), (12875, 14000)]