1780492450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1228

約数の個数: 96

約数和(自身を含む): 3849182208

約数和(自身を除く): 2068689758

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 85, 110, 170, 187, 191, 275, 374, 382, 425, 550, 850, 935, 955, 997, 1870, 1910, 1994, 2101, 3247, 4202, 4675, 4775, 4985, 6494, 9350, 9550, 9970, 10505, 10967, 16235, 16949, 21010, 21934, 24925, 32470, 33898, 35717, 49850, 52525, 54835, 71434, 81175, 84745, 105050, 109670, 162350, 169490, 178585, 186439, 190427, 274175, 357170, 372878, 380854, 423725, 548350, 847450, 892925, 932195, 952135, 1785850, 1864390, 1904270, 2094697, 3237259, 4189394, 4660975, 4760675, 6474518, 9321950, 9521350, 10473485, 16186295, 20946970, 32372590, 35609849, 52367425, 71219698, 80931475, 104734850, 161862950, 178049245, 356098490, 890246225, 1780492450]

約数ペア:

[(1, 1780492450), (2, 890246225), (5, 356098490), (10, 178049245), (11, 161862950), (17, 104734850), (22, 80931475), (25, 71219698), (34, 52367425), (50, 35609849), (55, 32372590), (85, 20946970), (110, 16186295), (170, 10473485), (187, 9521350), (191, 9321950), (275, 6474518), (374, 4760675), (382, 4660975), (425, 4189394), (550, 3237259), (850, 2094697), (935, 1904270), (955, 1864390), (997, 1785850), (1870, 952135), (1910, 932195), (1994, 892925), (2101, 847450), (3247, 548350), (4202, 423725), (4675, 380854), (4775, 372878), (4985, 357170), (6494, 274175), (9350, 190427), (9550, 186439), (9970, 178585), (10505, 169490), (10967, 162350), (16235, 109670), (16949, 105050), (21010, 84745), (21934, 81175), (24925, 71434), (32470, 54835), (33898, 52525), (35717, 49850)]