7210000

素因数分解:

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

素因数の和:138

約数の個数: 100

約数和(自身を含む): 20143552

約数和(自身を除く): 12933552

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, 3500, 3605, 4120, 4375, 5000, 5150, 5768, 7000, 7210, 8240, 8750, 10000, 10300, 11536, 12875, 14000, 14420, 17500, 18025, 20600, 25750, 28840, 35000, 36050, 41200, 51500, 57680, 64375, 70000, 72100, 90125, 103000, 128750, 144200, 180250, 206000, 257500, 288400, 360500, 450625, 515000, 721000, 901250, 1030000, 1442000, 1802500, 3605000, 7210000]

約数ペア:

[(1, 7210000), (2, 3605000), (4, 1802500), (5, 1442000), (7, 1030000), (8, 901250), (10, 721000), (14, 515000), (16, 450625), (20, 360500), (25, 288400), (28, 257500), (35, 206000), (40, 180250), (50, 144200), (56, 128750), (70, 103000), (80, 90125), (100, 72100), (103, 70000), (112, 64375), (125, 57680), (140, 51500), (175, 41200), (200, 36050), (206, 35000), (250, 28840), (280, 25750), (350, 20600), (400, 18025), (412, 17500), (500, 14420), (515, 14000), (560, 12875), (625, 11536), (700, 10300), (721, 10000), (824, 8750), (875, 8240), (1000, 7210), (1030, 7000), (1250, 5768), (1400, 5150), (1442, 5000), (1648, 4375), (1750, 4120), (2000, 3605), (2060, 3500), (2500, 2884), (2575, 2800)]