164022740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171591}}^1$

素因数の和:1171607

約数の個数: 24

約数和(自身を含む): 393654912

約数和(自身を除く): 229632172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171591, 2343182, 4686364, 5857955, 8201137, 11715910, 16402274, 23431820, 32804548, 41005685, 82011370, 164022740]

約数ペア:

[(1, 164022740), (2, 82011370), (4, 41005685), (5, 32804548), (7, 23431820), (10, 16402274), (14, 11715910), (20, 8201137), (28, 5857955), (35, 4686364), (70, 2343182), (140, 1171591)]