49840280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{178001}}^1$

素因数の和:178019

約数の個数: 32

約数和(自身を含む): 128161440

約数和(自身を除く): 78321160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 178001, 356002, 712004, 890005, 1246007, 1424008, 1780010, 2492014, 3560020, 4984028, 6230035, 7120040, 9968056, 12460070, 24920140, 49840280]

約数ペア:

[(1, 49840280), (2, 24920140), (4, 12460070), (5, 9968056), (7, 7120040), (8, 6230035), (10, 4984028), (14, 3560020), (20, 2492014), (28, 1780010), (35, 1424008), (40, 1246007), (56, 890005), (70, 712004), (140, 356002), (280, 178001)]