9870070

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20143}}^1$

素因数の和:20164

約数の個数: 24

約数和(自身を含む): 20667744

約数和(自身を除く): 10797674

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20143, 40286, 100715, 141001, 201430, 282002, 705005, 987007, 1410010, 1974014, 4935035, 9870070]

約数ペア:

[(1, 9870070), (2, 4935035), (5, 1974014), (7, 1410010), (10, 987007), (14, 705005), (35, 282002), (49, 201430), (70, 141001), (98, 100715), (245, 40286), (490, 20143)]