140323280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12619}}^1$

素因数の和:12771

約数の個数: 40

約数和(自身を含む): 328624800

約数和(自身を除く): 188301520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 12619, 25238, 50476, 63095, 100952, 126190, 201904, 252380, 504760, 1009520, 1754041, 3508082, 7016164, 8770205, 14032328, 17540410, 28064656, 35080820, 70161640, 140323280]

約数ペア:

[(1, 140323280), (2, 70161640), (4, 35080820), (5, 28064656), (8, 17540410), (10, 14032328), (16, 8770205), (20, 7016164), (40, 3508082), (80, 1754041), (139, 1009520), (278, 504760), (556, 252380), (695, 201904), (1112, 126190), (1390, 100952), (2224, 63095), (2780, 50476), (5560, 25238), (11120, 12619)]