450254168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 1091543040

約数和(自身を除く): 641288872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 71, 91, 104, 124, 142, 182, 217, 248, 281, 284, 364, 403, 434, 497, 562, 568, 728, 806, 868, 923, 994, 1124, 1612, 1736, 1846, 1967, 1988, 2201, 2248, 2821, 3224, 3653, 3692, 3934, 3976, 4402, 5642, 6461, 7306, 7384, 7868, 8711, 8804, 11284, 12922, 14612, 15407, 15736, 17422, 17608, 19951, 22568, 25571, 25844, 28613, 29224, 30814, 34844, 39902, 51142, 51688, 57226, 60977, 61628, 69688, 79804, 102284, 113243, 114452, 121954, 123256, 139657, 159608, 200291, 204568, 226486, 228904, 243908, 259363, 279314, 400582, 452972, 487816, 518726, 558628, 618481, 792701, 801164, 905944, 1037452, 1117256, 1236962, 1585402, 1602328, 1815541, 2074904, 2473924, 3170804, 3631082, 4329367, 4947848, 6341608, 7262164, 8040253, 8658734, 14524328, 16080506, 17317468, 32161012, 34634936, 56281771, 64322024, 112563542, 225127084, 450254168]

約数ペア:

[(1, 450254168), (2, 225127084), (4, 112563542), (7, 64322024), (8, 56281771), (13, 34634936), (14, 32161012), (26, 17317468), (28, 16080506), (31, 14524328), (52, 8658734), (56, 8040253), (62, 7262164), (71, 6341608), (91, 4947848), (104, 4329367), (124, 3631082), (142, 3170804), (182, 2473924), (217, 2074904), (248, 1815541), (281, 1602328), (284, 1585402), (364, 1236962), (403, 1117256), (434, 1037452), (497, 905944), (562, 801164), (568, 792701), (728, 618481), (806, 558628), (868, 518726), (923, 487816), (994, 452972), (1124, 400582), (1612, 279314), (1736, 259363), (1846, 243908), (1967, 228904), (1988, 226486), (2201, 204568), (2248, 200291), (2821, 159608), (3224, 139657), (3653, 123256), (3692, 121954), (3934, 114452), (3976, 113243), (4402, 102284), (5642, 79804), (6461, 69688), (7306, 61628), (7384, 60977), (7868, 57226), (8711, 51688), (8804, 51142), (11284, 39902), (12922, 34844), (14612, 30814), (15407, 29224), (15736, 28613), (17422, 25844), (17608, 25571), (19951, 22568)]