204172010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{14657}}^1$

素因数の和:14870

約数の個数: 32

約数和(自身を含む): 422150400

約数和(自身を除く): 217978390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 199, 398, 995, 1393, 1990, 2786, 6965, 13930, 14657, 29314, 73285, 102599, 146570, 205198, 512995, 1025990, 2916743, 5833486, 14583715, 20417201, 29167430, 40834402, 102086005, 204172010]

約数ペア:

[(1, 204172010), (2, 102086005), (5, 40834402), (7, 29167430), (10, 20417201), (14, 14583715), (35, 5833486), (70, 2916743), (199, 1025990), (398, 512995), (995, 205198), (1393, 146570), (1990, 102599), (2786, 73285), (6965, 29314), (13930, 14657)]