49991810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 102829824

約数和(自身を除く): 52838014

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 71, 74, 110, 142, 173, 185, 346, 355, 370, 407, 710, 781, 814, 865, 1562, 1730, 1903, 2035, 2627, 3806, 3905, 4070, 5254, 6401, 7810, 9515, 12283, 12802, 13135, 19030, 24566, 26270, 28897, 32005, 57794, 61415, 64010, 70411, 122830, 135113, 140822, 144485, 270226, 288970, 352055, 454471, 675565, 704110, 908942, 1351130, 2272355, 4544710, 4999181, 9998362, 24995905, 49991810]

約数ペア:

[(1, 49991810), (2, 24995905), (5, 9998362), (10, 4999181), (11, 4544710), (22, 2272355), (37, 1351130), (55, 908942), (71, 704110), (74, 675565), (110, 454471), (142, 352055), (173, 288970), (185, 270226), (346, 144485), (355, 140822), (370, 135113), (407, 122830), (710, 70411), (781, 64010), (814, 61415), (865, 57794), (1562, 32005), (1730, 28897), (1903, 26270), (2035, 24566), (2627, 19030), (3806, 13135), (3905, 12802), (4070, 12283), (5254, 9515), (6401, 7810)]