979427954920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1285811}}^1$

素因数の和:1286098

約数の個数: 64

約数和(自身を含む): 2235769905600

約数和(自身を除く): 1256341950680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 139, 274, 278, 548, 556, 685, 695, 1096, 1112, 1370, 1390, 2740, 2780, 5480, 5560, 19043, 38086, 76172, 95215, 152344, 190430, 380860, 761720, 1285811, 2571622, 5143244, 6429055, 10286488, 12858110, 25716220, 51432440, 176156107, 178727729, 352312214, 357455458, 704624428, 714910916, 880780535, 893638645, 1409248856, 1429821832, 1761561070, 1787277290, 3523122140, 3574554580, 7046244280, 7149109160, 24485698873, 48971397746, 97942795492, 122428494365, 195885590984, 244856988730, 489713977460, 979427954920]

約数ペア:

[(1, 979427954920), (2, 489713977460), (4, 244856988730), (5, 195885590984), (8, 122428494365), (10, 97942795492), (20, 48971397746), (40, 24485698873), (137, 7149109160), (139, 7046244280), (274, 3574554580), (278, 3523122140), (548, 1787277290), (556, 1761561070), (685, 1429821832), (695, 1409248856), (1096, 893638645), (1112, 880780535), (1370, 714910916), (1390, 704624428), (2740, 357455458), (2780, 352312214), (5480, 178727729), (5560, 176156107), (19043, 51432440), (38086, 25716220), (76172, 12858110), (95215, 10286488), (152344, 6429055), (190430, 5143244), (380860, 2571622), (761720, 1285811)]