245787890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{3803}}^1$

素因数の和:4114

約数の個数: 32

約数和(自身を含む): 463418496

約数和(自身を除く): 217630606

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 281, 562, 1405, 2810, 3803, 6463, 7606, 12926, 19015, 32315, 38030, 64630, 87469, 174938, 437345, 874690, 1068643, 2137286, 5343215, 10686430, 24578789, 49157578, 122893945, 245787890]

約数ペア:

[(1, 245787890), (2, 122893945), (5, 49157578), (10, 24578789), (23, 10686430), (46, 5343215), (115, 2137286), (230, 1068643), (281, 874690), (562, 437345), (1405, 174938), (2810, 87469), (3803, 64630), (6463, 38030), (7606, 32315), (12926, 19015)]