138830560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 369212256

約数和(自身を除く): 230381696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 101, 110, 121, 142, 160, 176, 202, 220, 242, 284, 352, 355, 404, 440, 484, 505, 568, 605, 710, 781, 808, 880, 968, 1010, 1111, 1136, 1210, 1420, 1562, 1616, 1760, 1936, 2020, 2222, 2272, 2420, 2840, 3124, 3232, 3872, 3905, 4040, 4444, 4840, 5555, 5680, 6248, 7171, 7810, 8080, 8591, 8888, 9680, 11110, 11360, 12221, 12496, 14342, 15620, 16160, 17182, 17776, 19360, 22220, 24442, 24992, 28684, 31240, 34364, 35552, 35855, 42955, 44440, 48884, 57368, 61105, 62480, 68728, 71710, 78881, 85910, 88880, 97768, 114736, 122210, 124960, 137456, 143420, 157762, 171820, 177760, 195536, 229472, 244420, 274912, 286840, 315524, 343640, 391072, 394405, 488840, 573680, 631048, 687280, 788810, 867691, 977680, 1147360, 1262096, 1374560, 1577620, 1735382, 1955360, 2524192, 3155240, 3470764, 4338455, 6310480, 6941528, 8676910, 12620960, 13883056, 17353820, 27766112, 34707640, 69415280, 138830560]

約数ペア:

[(1, 138830560), (2, 69415280), (4, 34707640), (5, 27766112), (8, 17353820), (10, 13883056), (11, 12620960), (16, 8676910), (20, 6941528), (22, 6310480), (32, 4338455), (40, 3470764), (44, 3155240), (55, 2524192), (71, 1955360), (80, 1735382), (88, 1577620), (101, 1374560), (110, 1262096), (121, 1147360), (142, 977680), (160, 867691), (176, 788810), (202, 687280), (220, 631048), (242, 573680), (284, 488840), (352, 394405), (355, 391072), (404, 343640), (440, 315524), (484, 286840), (505, 274912), (568, 244420), (605, 229472), (710, 195536), (781, 177760), (808, 171820), (880, 157762), (968, 143420), (1010, 137456), (1111, 124960), (1136, 122210), (1210, 114736), (1420, 97768), (1562, 88880), (1616, 85910), (1760, 78881), (1936, 71710), (2020, 68728), (2222, 62480), (2272, 61105), (2420, 57368), (2840, 48884), (3124, 44440), (3232, 42955), (3872, 35855), (3905, 35552), (4040, 34364), (4444, 31240), (4840, 28684), (5555, 24992), (5680, 24442), (6248, 22220), (7171, 19360), (7810, 17776), (8080, 17182), (8591, 16160), (8888, 15620), (9680, 14342), (11110, 12496), (11360, 12221)]