2100000070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{30000001}}^1$

素因数の和:30000015

約数の個数: 16

約数和(自身を含む): 4320000288

約数和(自身を除く): 2220000218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 30000001, 60000002, 150000005, 210000007, 300000010, 420000014, 1050000035, 2100000070]

約数ペア:

[(1, 2100000070), (2, 1050000035), (5, 420000014), (7, 300000010), (10, 210000007), (14, 150000005), (35, 60000002), (70, 30000001)]