30723140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219451}}^1$

素因数の和:219467

約数の個数: 24

約数和(自身を含む): 73735872

約数和(自身を除く): 43012732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219451, 438902, 877804, 1097255, 1536157, 2194510, 3072314, 4389020, 6144628, 7680785, 15361570, 30723140]

約数ペア:

[(1, 30723140), (2, 15361570), (4, 7680785), (5, 6144628), (7, 4389020), (10, 3072314), (14, 2194510), (20, 1536157), (28, 1097255), (35, 877804), (70, 438902), (140, 219451)]