1009400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 2756520

約数和(自身を除く): 1747120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 103, 140, 175, 196, 200, 206, 245, 280, 350, 392, 412, 490, 515, 700, 721, 824, 980, 1030, 1225, 1400, 1442, 1960, 2060, 2450, 2575, 2884, 3605, 4120, 4900, 5047, 5150, 5768, 7210, 9800, 10094, 10300, 14420, 18025, 20188, 20600, 25235, 28840, 36050, 40376, 50470, 72100, 100940, 126175, 144200, 201880, 252350, 504700, 1009400]

約数ペア:

[(1, 1009400), (2, 504700), (4, 252350), (5, 201880), (7, 144200), (8, 126175), (10, 100940), (14, 72100), (20, 50470), (25, 40376), (28, 36050), (35, 28840), (40, 25235), (49, 20600), (50, 20188), (56, 18025), (70, 14420), (98, 10300), (100, 10094), (103, 9800), (140, 7210), (175, 5768), (196, 5150), (200, 5047), (206, 4900), (245, 4120), (280, 3605), (350, 2884), (392, 2575), (412, 2450), (490, 2060), (515, 1960), (700, 1442), (721, 1400), (824, 1225), (980, 1030)]