2005121015

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 2711424000

約数和(自身を除く): 706302985

約数列:

[1, 5, 17, 19, 85, 95, 199, 289, 323, 367, 995, 1445, 1615, 1835, 3383, 3781, 5491, 6239, 6973, 16915, 18905, 27455, 31195, 34865, 57511, 64277, 73033, 106063, 118541, 287555, 321385, 365165, 530315, 592705, 1092709, 1241561, 1387627, 2015197, 5463545, 6207805, 6938135, 10075985, 21106537, 23589659, 105532685, 117948295, 401024203, 2005121015]

約数ペア:

[(1, 2005121015), (5, 401024203), (17, 117948295), (19, 105532685), (85, 23589659), (95, 21106537), (199, 10075985), (289, 6938135), (323, 6207805), (367, 5463545), (995, 2015197), (1445, 1387627), (1615, 1241561), (1835, 1092709), (3383, 592705), (3781, 530315), (5491, 365165), (6239, 321385), (6973, 287555), (16915, 118541), (18905, 106063), (27455, 73033), (31195, 64277), (34865, 57511)]