25162900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 63190400

約数和(自身を除く): 38027500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 349, 350, 412, 515, 698, 700, 721, 1030, 1396, 1442, 1745, 2060, 2443, 2575, 2884, 3490, 3605, 4886, 5150, 6980, 7210, 8725, 9772, 10300, 12215, 14420, 17450, 18025, 24430, 34900, 35947, 36050, 48860, 61075, 71894, 72100, 122150, 143788, 179735, 244300, 251629, 359470, 503258, 718940, 898675, 1006516, 1258145, 1797350, 2516290, 3594700, 5032580, 6290725, 12581450, 25162900]

約数ペア:

[(1, 25162900), (2, 12581450), (4, 6290725), (5, 5032580), (7, 3594700), (10, 2516290), (14, 1797350), (20, 1258145), (25, 1006516), (28, 898675), (35, 718940), (50, 503258), (70, 359470), (100, 251629), (103, 244300), (140, 179735), (175, 143788), (206, 122150), (349, 72100), (350, 71894), (412, 61075), (515, 48860), (698, 36050), (700, 35947), (721, 34900), (1030, 24430), (1396, 18025), (1442, 17450), (1745, 14420), (2060, 12215), (2443, 10300), (2575, 9772), (2884, 8725), (3490, 7210), (3605, 6980), (4886, 5150)]