204890390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{2887}}^1$

素因数の和:3092

約数の個数: 32

約数和(自身を含む): 379275264

約数和(自身を除く): 174384874

約数列:

[1, 2, 5, 10, 47, 94, 151, 235, 302, 470, 755, 1510, 2887, 5774, 7097, 14194, 14435, 28870, 35485, 70970, 135689, 271378, 435937, 678445, 871874, 1356890, 2179685, 4359370, 20489039, 40978078, 102445195, 204890390]

約数ペア:

[(1, 204890390), (2, 102445195), (5, 40978078), (10, 20489039), (47, 4359370), (94, 2179685), (151, 1356890), (235, 871874), (302, 678445), (470, 435937), (755, 271378), (1510, 135689), (2887, 70970), (5774, 35485), (7097, 28870), (14194, 14435)]