197767640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{706313}}^1$

素因数の和:706331

約数の個数: 32

約数和(自身を含む): 508546080

約数和(自身を除く): 310778440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 706313, 1412626, 2825252, 3531565, 4944191, 5650504, 7063130, 9888382, 14126260, 19776764, 24720955, 28252520, 39553528, 49441910, 98883820, 197767640]

約数ペア:

[(1, 197767640), (2, 98883820), (4, 49441910), (5, 39553528), (7, 28252520), (8, 24720955), (10, 19776764), (14, 14126260), (20, 9888382), (28, 7063130), (35, 5650504), (40, 4944191), (56, 3531565), (70, 2825252), (140, 1412626), (280, 706313)]