157139920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{280607}}^1$

素因数の和:280627

約数の個数: 40

約数和(自身を含む): 417544704

約数和(自身を除く): 260404784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 280607, 561214, 1122428, 1403035, 1964249, 2244856, 2806070, 3928498, 4489712, 5612140, 7856996, 9821245, 11224280, 15713992, 19642490, 22448560, 31427984, 39284980, 78569960, 157139920]

約数ペア:

[(1, 157139920), (2, 78569960), (4, 39284980), (5, 31427984), (7, 22448560), (8, 19642490), (10, 15713992), (14, 11224280), (16, 9821245), (20, 7856996), (28, 5612140), (35, 4489712), (40, 3928498), (56, 2806070), (70, 2244856), (80, 1964249), (112, 1403035), (140, 1122428), (280, 561214), (560, 280607)]