255112088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 638668800

約数和(自身を除く): 383556712

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, 307, 308, 418, 497, 532, 568, 614, 616, 781, 836, 994, 1064, 1228, 1349, 1463, 1562, 1672, 1988, 2149, 2456, 2698, 2926, 3124, 3377, 3976, 4298, 5396, 5467, 5833, 5852, 6248, 6754, 8596, 9443, 10792, 10934, 11666, 11704, 13508, 14839, 17192, 18886, 21797, 21868, 23332, 23639, 27016, 29678, 37772, 40831, 43594, 43736, 46664, 47278, 59356, 64163, 75544, 81662, 87188, 94556, 103873, 118712, 128326, 152579, 163324, 174376, 189112, 207746, 239767, 256652, 305158, 326648, 414143, 415492, 449141, 479534, 513304, 610316, 828286, 830984, 898282, 959068, 1220632, 1656572, 1678369, 1796564, 1918136, 2899001, 3313144, 3356738, 3593128, 4555573, 5798002, 6713476, 9111146, 11596004, 13426952, 18222292, 23192008, 31889011, 36444584, 63778022, 127556044, 255112088]

約数ペア:

[(1, 255112088), (2, 127556044), (4, 63778022), (7, 36444584), (8, 31889011), (11, 23192008), (14, 18222292), (19, 13426952), (22, 11596004), (28, 9111146), (38, 6713476), (44, 5798002), (56, 4555573), (71, 3593128), (76, 3356738), (77, 3313144), (88, 2899001), (133, 1918136), (142, 1796564), (152, 1678369), (154, 1656572), (209, 1220632), (266, 959068), (284, 898282), (307, 830984), (308, 828286), (418, 610316), (497, 513304), (532, 479534), (568, 449141), (614, 415492), (616, 414143), (781, 326648), (836, 305158), (994, 256652), (1064, 239767), (1228, 207746), (1349, 189112), (1463, 174376), (1562, 163324), (1672, 152579), (1988, 128326), (2149, 118712), (2456, 103873), (2698, 94556), (2926, 87188), (3124, 81662), (3377, 75544), (3976, 64163), (4298, 59356), (5396, 47278), (5467, 46664), (5833, 43736), (5852, 43594), (6248, 40831), (6754, 37772), (8596, 29678), (9443, 27016), (10792, 23639), (10934, 23332), (11666, 21868), (11704, 21797), (13508, 18886), (14839, 17192)]