203420315

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{19309}}^1$

素因数の和:19371

約数の個数: 24

約数和(自身を含む): 290576880

約数和(自身を除く): 87156565

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 10535, 19309, 96545, 135163, 675815, 830287, 946141, 4151435, 4730705, 5812009, 29060045, 40684063, 203420315]

約数ペア:

[(1, 203420315), (5, 40684063), (7, 29060045), (35, 5812009), (43, 4730705), (49, 4151435), (215, 946141), (245, 830287), (301, 675815), (1505, 135163), (2107, 96545), (10535, 19309)]