155142920

素因数分解:

$2^3\times 5^1\times {\mathrm{229}}^1\times {\mathrm{16937}}^1$

素因数の和:17177

約数の個数: 32

約数和(自身を含む): 350616600

約数和(自身を除く): 195473680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 229, 458, 916, 1145, 1832, 2290, 4580, 9160, 16937, 33874, 67748, 84685, 135496, 169370, 338740, 677480, 3878573, 7757146, 15514292, 19392865, 31028584, 38785730, 77571460, 155142920]

約数ペア:

[(1, 155142920), (2, 77571460), (4, 38785730), (5, 31028584), (8, 19392865), (10, 15514292), (20, 7757146), (40, 3878573), (229, 677480), (458, 338740), (916, 169370), (1145, 135496), (1832, 84685), (2290, 67748), (4580, 33874), (9160, 16937)]