207730400

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2521}}^1$

素因数の和:2644

約数の個数: 72

約数和(自身を含む): 512248464

約数和(自身を除く): 304518064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 400, 412, 515, 800, 824, 1030, 1648, 2060, 2521, 2575, 3296, 4120, 5042, 5150, 8240, 10084, 10300, 12605, 16480, 20168, 20600, 25210, 40336, 41200, 50420, 63025, 80672, 82400, 100840, 126050, 201680, 252100, 259663, 403360, 504200, 519326, 1008400, 1038652, 1298315, 2016800, 2077304, 2596630, 4154608, 5193260, 6491575, 8309216, 10386520, 12983150, 20773040, 25966300, 41546080, 51932600, 103865200, 207730400]

約数ペア:

[(1, 207730400), (2, 103865200), (4, 51932600), (5, 41546080), (8, 25966300), (10, 20773040), (16, 12983150), (20, 10386520), (25, 8309216), (32, 6491575), (40, 5193260), (50, 4154608), (80, 2596630), (100, 2077304), (103, 2016800), (160, 1298315), (200, 1038652), (206, 1008400), (400, 519326), (412, 504200), (515, 403360), (800, 259663), (824, 252100), (1030, 201680), (1648, 126050), (2060, 100840), (2521, 82400), (2575, 80672), (3296, 63025), (4120, 50420), (5042, 41200), (5150, 40336), (8240, 25210), (10084, 20600), (10300, 20168), (12605, 16480)]