13778871440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{45553}}^1$

素因数の和:45784

約数の個数: 80

約数和(自身を含む): 33892176000

約数和(自身を除く): 20113304560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 199, 304, 380, 398, 760, 796, 995, 1520, 1592, 1990, 3184, 3781, 3980, 7562, 7960, 15124, 15920, 18905, 30248, 37810, 45553, 60496, 75620, 91106, 151240, 182212, 227765, 302480, 364424, 455530, 728848, 865507, 911060, 1731014, 1822120, 3462028, 3644240, 4327535, 6924056, 8655070, 9065047, 13848112, 17310140, 18130094, 34620280, 36260188, 45325235, 69240560, 72520376, 90650470, 145040752, 172235893, 181300940, 344471786, 362601880, 688943572, 725203760, 861179465, 1377887144, 1722358930, 2755774288, 3444717860, 6889435720, 13778871440]

約数ペア:

[(1, 13778871440), (2, 6889435720), (4, 3444717860), (5, 2755774288), (8, 1722358930), (10, 1377887144), (16, 861179465), (19, 725203760), (20, 688943572), (38, 362601880), (40, 344471786), (76, 181300940), (80, 172235893), (95, 145040752), (152, 90650470), (190, 72520376), (199, 69240560), (304, 45325235), (380, 36260188), (398, 34620280), (760, 18130094), (796, 17310140), (995, 13848112), (1520, 9065047), (1592, 8655070), (1990, 6924056), (3184, 4327535), (3781, 3644240), (3980, 3462028), (7562, 1822120), (7960, 1731014), (15124, 911060), (15920, 865507), (18905, 728848), (30248, 455530), (37810, 364424), (45553, 302480), (60496, 227765), (75620, 182212), (91106, 151240)]