289823840

素因数分解:

$2^5\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1613}}^1$

素因数の和:2751

約数の個数: 48

約数和(自身を含む): 685743408

約数和(自身を除く): 395919568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1123, 1613, 2246, 3226, 4492, 5615, 6452, 8065, 8984, 11230, 12904, 16130, 17968, 22460, 25808, 32260, 35936, 44920, 51616, 64520, 89840, 129040, 179680, 258080, 1811399, 3622798, 7245596, 9056995, 14491192, 18113990, 28982384, 36227980, 57964768, 72455960, 144911920, 289823840]

約数ペア:

[(1, 289823840), (2, 144911920), (4, 72455960), (5, 57964768), (8, 36227980), (10, 28982384), (16, 18113990), (20, 14491192), (32, 9056995), (40, 7245596), (80, 3622798), (160, 1811399), (1123, 258080), (1613, 179680), (2246, 129040), (3226, 89840), (4492, 64520), (5615, 51616), (6452, 44920), (8065, 35936), (8984, 32260), (11230, 25808), (12904, 22460), (16130, 17968)]