278300568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 867686400

約数和(自身を除く): 589385832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 79, 84, 91, 104, 156, 158, 168, 182, 237, 273, 312, 316, 364, 474, 546, 553, 632, 728, 948, 1027, 1092, 1106, 1613, 1659, 1896, 2054, 2184, 2212, 3081, 3226, 3318, 4108, 4424, 4839, 6162, 6452, 6636, 7189, 8216, 9678, 11291, 12324, 12904, 13272, 14378, 19356, 20969, 21567, 22582, 24648, 28756, 33873, 38712, 41938, 43134, 45164, 57512, 62907, 67746, 83876, 86268, 90328, 125814, 127427, 135492, 146783, 167752, 172536, 251628, 254854, 270984, 293566, 382281, 440349, 503256, 509708, 587132, 764562, 880698, 891989, 1019416, 1174264, 1529124, 1656551, 1761396, 1783978, 2675967, 3058248, 3313102, 3522792, 3567956, 4969653, 5351934, 6626204, 7135912, 9939306, 10703868, 11595857, 13252408, 19878612, 21407736, 23191714, 34787571, 39757224, 46383428, 69575142, 92766856, 139150284, 278300568]

約数ペア:

[(1, 278300568), (2, 139150284), (3, 92766856), (4, 69575142), (6, 46383428), (7, 39757224), (8, 34787571), (12, 23191714), (13, 21407736), (14, 19878612), (21, 13252408), (24, 11595857), (26, 10703868), (28, 9939306), (39, 7135912), (42, 6626204), (52, 5351934), (56, 4969653), (78, 3567956), (79, 3522792), (84, 3313102), (91, 3058248), (104, 2675967), (156, 1783978), (158, 1761396), (168, 1656551), (182, 1529124), (237, 1174264), (273, 1019416), (312, 891989), (316, 880698), (364, 764562), (474, 587132), (546, 509708), (553, 503256), (632, 440349), (728, 382281), (948, 293566), (1027, 270984), (1092, 254854), (1106, 251628), (1613, 172536), (1659, 167752), (1896, 146783), (2054, 135492), (2184, 127427), (2212, 125814), (3081, 90328), (3226, 86268), (3318, 83876), (4108, 67746), (4424, 62907), (4839, 57512), (6162, 45164), (6452, 43134), (6636, 41938), (7189, 38712), (8216, 33873), (9678, 28756), (11291, 24648), (12324, 22582), (12904, 21567), (13272, 20969), (14378, 19356)]