1285103512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 3126988800

約数和(自身を除く): 1841885288

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 173, 217, 248, 308, 341, 346, 389, 434, 616, 682, 692, 778, 868, 1211, 1364, 1384, 1556, 1736, 1903, 2387, 2422, 2723, 2728, 3112, 3806, 4279, 4774, 4844, 5363, 5446, 7612, 8558, 9548, 9688, 10726, 10892, 12059, 13321, 15224, 17116, 19096, 21452, 21784, 24118, 26642, 29953, 34232, 37541, 42904, 48236, 53284, 58993, 59906, 67297, 75082, 84413, 96472, 106568, 117986, 119812, 132649, 134594, 150164, 168826, 235972, 239624, 265298, 269188, 300328, 337652, 412951, 471079, 471944, 530596, 538376, 675304, 740267, 825902, 928543, 942158, 1061192, 1480534, 1651804, 1857086, 1884316, 2086207, 2961068, 3303608, 3714172, 3768632, 4172414, 5181869, 5922136, 7428344, 8344828, 10363738, 14603449, 16689656, 20727476, 22948277, 29206898, 41454952, 45896554, 58413796, 91793108, 116827592, 160637939, 183586216, 321275878, 642551756, 1285103512]

約数ペア:

[(1, 1285103512), (2, 642551756), (4, 321275878), (7, 183586216), (8, 160637939), (11, 116827592), (14, 91793108), (22, 58413796), (28, 45896554), (31, 41454952), (44, 29206898), (56, 22948277), (62, 20727476), (77, 16689656), (88, 14603449), (124, 10363738), (154, 8344828), (173, 7428344), (217, 5922136), (248, 5181869), (308, 4172414), (341, 3768632), (346, 3714172), (389, 3303608), (434, 2961068), (616, 2086207), (682, 1884316), (692, 1857086), (778, 1651804), (868, 1480534), (1211, 1061192), (1364, 942158), (1384, 928543), (1556, 825902), (1736, 740267), (1903, 675304), (2387, 538376), (2422, 530596), (2723, 471944), (2728, 471079), (3112, 412951), (3806, 337652), (4279, 300328), (4774, 269188), (4844, 265298), (5363, 239624), (5446, 235972), (7612, 168826), (8558, 150164), (9548, 134594), (9688, 132649), (10726, 119812), (10892, 117986), (12059, 106568), (13321, 96472), (15224, 84413), (17116, 75082), (19096, 67297), (21452, 59906), (21784, 58993), (24118, 53284), (26642, 48236), (29953, 42904), (34232, 37541)]