20174772250

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{709}}^1\times {\mathrm{2647}}^1$

素因数の和:3416

約数の個数: 64

約数和(自身を含む): 38714607360

約数和(自身を除く): 18539835110

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 709, 1075, 1418, 2150, 2647, 3545, 5294, 5375, 7090, 10750, 13235, 17725, 26470, 30487, 35450, 60974, 66175, 88625, 113821, 132350, 152435, 177250, 227642, 304870, 330875, 569105, 661750, 762175, 1138210, 1524350, 1876723, 2845525, 3753446, 3810875, 5691050, 7621750, 9383615, 14227625, 18767230, 28455250, 46918075, 80699089, 93836150, 161398178, 234590375, 403495445, 469180750, 806990890, 2017477225, 4034954450, 10087386125, 20174772250]

約数ペア:

[(1, 20174772250), (2, 10087386125), (5, 4034954450), (10, 2017477225), (25, 806990890), (43, 469180750), (50, 403495445), (86, 234590375), (125, 161398178), (215, 93836150), (250, 80699089), (430, 46918075), (709, 28455250), (1075, 18767230), (1418, 14227625), (2150, 9383615), (2647, 7621750), (3545, 5691050), (5294, 3810875), (5375, 3753446), (7090, 2845525), (10750, 1876723), (13235, 1524350), (17725, 1138210), (26470, 762175), (30487, 661750), (35450, 569105), (60974, 330875), (66175, 304870), (88625, 227642), (113821, 177250), (132350, 152435)]