280041608

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 700876800

約数和(自身を除く): 420835192

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 71, 76, 77, 88, 133, 142, 152, 154, 209, 266, 284, 308, 337, 418, 497, 532, 568, 616, 674, 781, 836, 994, 1064, 1348, 1349, 1463, 1562, 1672, 1988, 2359, 2696, 2698, 2926, 3124, 3707, 3976, 4718, 5396, 5467, 5852, 6248, 6403, 7414, 9436, 9443, 10792, 10934, 11704, 12806, 14828, 14839, 18872, 18886, 21868, 23927, 25612, 25949, 29656, 29678, 37772, 43736, 44821, 47854, 51224, 51898, 59356, 70433, 75544, 89642, 95708, 103796, 103873, 118712, 140866, 167489, 179284, 191416, 207592, 207746, 263197, 281732, 334978, 358568, 415492, 454613, 493031, 526394, 563464, 669956, 830984, 909226, 986062, 1052788, 1339912, 1818452, 1842379, 1972124, 2105576, 3182291, 3636904, 3684758, 3944248, 5000743, 6364582, 7369516, 10001486, 12729164, 14739032, 20002972, 25458328, 35005201, 40005944, 70010402, 140020804, 280041608]

約数ペア:

[(1, 280041608), (2, 140020804), (4, 70010402), (7, 40005944), (8, 35005201), (11, 25458328), (14, 20002972), (19, 14739032), (22, 12729164), (28, 10001486), (38, 7369516), (44, 6364582), (56, 5000743), (71, 3944248), (76, 3684758), (77, 3636904), (88, 3182291), (133, 2105576), (142, 1972124), (152, 1842379), (154, 1818452), (209, 1339912), (266, 1052788), (284, 986062), (308, 909226), (337, 830984), (418, 669956), (497, 563464), (532, 526394), (568, 493031), (616, 454613), (674, 415492), (781, 358568), (836, 334978), (994, 281732), (1064, 263197), (1348, 207746), (1349, 207592), (1463, 191416), (1562, 179284), (1672, 167489), (1988, 140866), (2359, 118712), (2696, 103873), (2698, 103796), (2926, 95708), (3124, 89642), (3707, 75544), (3976, 70433), (4718, 59356), (5396, 51898), (5467, 51224), (5852, 47854), (6248, 44821), (6403, 43736), (7414, 37772), (9436, 29678), (9443, 29656), (10792, 25949), (10934, 25612), (11704, 23927), (12806, 21868), (14828, 18886), (14839, 18872)]