255178825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 366405120

約数和(自身を除く): 111226295

約数列:

[1, 5, 11, 25, 31, 37, 55, 155, 185, 275, 341, 407, 775, 809, 925, 1147, 1705, 2035, 4045, 5735, 8525, 8899, 10175, 12617, 20225, 25079, 28675, 29933, 44495, 63085, 125395, 149665, 222475, 275869, 315425, 329263, 626975, 748325, 927923, 1379345, 1646315, 4639615, 6896725, 8231575, 10207153, 23198075, 51035765, 255178825]

約数ペア:

[(1, 255178825), (5, 51035765), (11, 23198075), (25, 10207153), (31, 8231575), (37, 6896725), (55, 4639615), (155, 1646315), (185, 1379345), (275, 927923), (341, 748325), (407, 626975), (775, 329263), (809, 315425), (925, 275869), (1147, 222475), (1705, 149665), (2035, 125395), (4045, 63085), (5735, 44495), (8525, 29933), (8899, 28675), (10175, 25079), (12617, 20225)]