74139440

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{4657}}^1$

素因数の和:4869

約数の個数: 40

約数和(自身を含む): 173277600

約数和(自身を除く): 99138160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 4657, 7960, 9314, 15920, 18628, 23285, 37256, 46570, 74512, 93140, 186280, 372560, 926743, 1853486, 3706972, 4633715, 7413944, 9267430, 14827888, 18534860, 37069720, 74139440]

約数ペア:

[(1, 74139440), (2, 37069720), (4, 18534860), (5, 14827888), (8, 9267430), (10, 7413944), (16, 4633715), (20, 3706972), (40, 1853486), (80, 926743), (199, 372560), (398, 186280), (796, 93140), (995, 74512), (1592, 46570), (1990, 37256), (3184, 23285), (3980, 18628), (4657, 15920), (7960, 9314)]