204539440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{365249}}^1$

素因数の和:365269

約数の個数: 40

約数和(自身を含む): 543492000

約数和(自身を除く): 338952560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 365249, 730498, 1460996, 1826245, 2556743, 2921992, 3652490, 5113486, 5843984, 7304980, 10226972, 12783715, 14609960, 20453944, 25567430, 29219920, 40907888, 51134860, 102269720, 204539440]

約数ペア:

[(1, 204539440), (2, 102269720), (4, 51134860), (5, 40907888), (7, 29219920), (8, 25567430), (10, 20453944), (14, 14609960), (16, 12783715), (20, 10226972), (28, 7304980), (35, 5843984), (40, 5113486), (56, 3652490), (70, 2921992), (80, 2556743), (112, 1826245), (140, 1460996), (280, 730498), (560, 365249)]