907680920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{25411}}^1$

素因数の和:25488

約数の個数: 64

約数和(自身を含む): 2195596800

約数和(自身を除く): 1287915880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1786, 1880, 3572, 4465, 7144, 8930, 17860, 25411, 35720, 50822, 101644, 127055, 203288, 254110, 482809, 508220, 965618, 1016440, 1194317, 1931236, 2388634, 2414045, 3862472, 4777268, 4828090, 5971585, 9554536, 9656180, 11943170, 19312360, 22692023, 23886340, 45384046, 47772680, 90768092, 113460115, 181536184, 226920230, 453840460, 907680920]

約数ペア:

[(1, 907680920), (2, 453840460), (4, 226920230), (5, 181536184), (8, 113460115), (10, 90768092), (19, 47772680), (20, 45384046), (38, 23886340), (40, 22692023), (47, 19312360), (76, 11943170), (94, 9656180), (95, 9554536), (152, 5971585), (188, 4828090), (190, 4777268), (235, 3862472), (376, 2414045), (380, 2388634), (470, 1931236), (760, 1194317), (893, 1016440), (940, 965618), (1786, 508220), (1880, 482809), (3572, 254110), (4465, 203288), (7144, 127055), (8930, 101644), (17860, 50822), (25411, 35720)]