720049954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 1274031360

約数和(自身を除く): 553981406

約数列:

[1, 2, 13, 19, 26, 38, 41, 73, 82, 146, 247, 487, 494, 533, 779, 949, 974, 1066, 1387, 1558, 1898, 2774, 2993, 5986, 6331, 9253, 10127, 12662, 18031, 18506, 19967, 20254, 35551, 36062, 38909, 39934, 56867, 71102, 77818, 113734, 120289, 240578, 259571, 379373, 462163, 519142, 675469, 739271, 758746, 924326, 1350938, 1457591, 1478542, 2915182, 4931849, 8781097, 9863698, 17562194, 18948683, 27694229, 37897366, 55388458, 360024977, 720049954]

約数ペア:

[(1, 720049954), (2, 360024977), (13, 55388458), (19, 37897366), (26, 27694229), (38, 18948683), (41, 17562194), (73, 9863698), (82, 8781097), (146, 4931849), (247, 2915182), (487, 1478542), (494, 1457591), (533, 1350938), (779, 924326), (949, 758746), (974, 739271), (1066, 675469), (1387, 519142), (1558, 462163), (1898, 379373), (2774, 259571), (2993, 240578), (5986, 120289), (6331, 113734), (9253, 77818), (10127, 71102), (12662, 56867), (18031, 39934), (18506, 38909), (19967, 36062), (20254, 35551)]