74871380

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{7687}}^1$

素因数の和:8183

約数の個数: 24

約数和(自身を含む): 157573248

約数和(自身を除く): 82701868

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 7687, 9740, 15374, 30748, 38435, 76870, 153740, 3743569, 7487138, 14974276, 18717845, 37435690, 74871380]

約数ペア:

[(1, 74871380), (2, 37435690), (4, 18717845), (5, 14974276), (10, 7487138), (20, 3743569), (487, 153740), (974, 76870), (1948, 38435), (2435, 30748), (4870, 15374), (7687, 9740)]