418323280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{37619}}^1$

素因数の和:37771

約数の個数: 40

約数和(自身を含む): 979624800

約数和(自身を除く): 561301520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 37619, 75238, 150476, 188095, 300952, 376190, 601904, 752380, 1504760, 3009520, 5229041, 10458082, 20916164, 26145205, 41832328, 52290410, 83664656, 104580820, 209161640, 418323280]

約数ペア:

[(1, 418323280), (2, 209161640), (4, 104580820), (5, 83664656), (8, 52290410), (10, 41832328), (16, 26145205), (20, 20916164), (40, 10458082), (80, 5229041), (139, 3009520), (278, 1504760), (556, 752380), (695, 601904), (1112, 376190), (1390, 300952), (2224, 188095), (2780, 150476), (5560, 75238), (11120, 37619)]