164919440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{294499}}^1$

素因数の和:294519

約数の個数: 40

約数和(自身を含む): 438216000

約数和(自身を除く): 273296560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 294499, 588998, 1177996, 1472495, 2061493, 2355992, 2944990, 4122986, 4711984, 5889980, 8245972, 10307465, 11779960, 16491944, 20614930, 23559920, 32983888, 41229860, 82459720, 164919440]

約数ペア:

[(1, 164919440), (2, 82459720), (4, 41229860), (5, 32983888), (7, 23559920), (8, 20614930), (10, 16491944), (14, 11779960), (16, 10307465), (20, 8245972), (28, 5889980), (35, 4711984), (40, 4122986), (56, 2944990), (70, 2355992), (80, 2061493), (112, 1472495), (140, 1177996), (280, 588998), (560, 294499)]