278978596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 580849920

約数和(自身を除く): 301871324

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 71, 76, 82, 97, 142, 164, 194, 247, 284, 388, 494, 533, 779, 923, 988, 1066, 1261, 1349, 1558, 1843, 1846, 2132, 2522, 2698, 2911, 3116, 3686, 3692, 3977, 5044, 5396, 5822, 6887, 7372, 7954, 10127, 11644, 13774, 15908, 17537, 20254, 23959, 27548, 35074, 37843, 40508, 47918, 51701, 55309, 70148, 75563, 75686, 89531, 95836, 103402, 110618, 130853, 151126, 151372, 179062, 206804, 221236, 261706, 282367, 302252, 358124, 523412, 564734, 719017, 982319, 1129468, 1438034, 1701089, 1964638, 2876068, 3402178, 3670771, 3929276, 5364973, 6804356, 7341542, 10729946, 14683084, 21459892, 69744649, 139489298, 278978596]

約数ペア:

[(1, 278978596), (2, 139489298), (4, 69744649), (13, 21459892), (19, 14683084), (26, 10729946), (38, 7341542), (41, 6804356), (52, 5364973), (71, 3929276), (76, 3670771), (82, 3402178), (97, 2876068), (142, 1964638), (164, 1701089), (194, 1438034), (247, 1129468), (284, 982319), (388, 719017), (494, 564734), (533, 523412), (779, 358124), (923, 302252), (988, 282367), (1066, 261706), (1261, 221236), (1349, 206804), (1558, 179062), (1843, 151372), (1846, 151126), (2132, 130853), (2522, 110618), (2698, 103402), (2911, 95836), (3116, 89531), (3686, 75686), (3692, 75563), (3977, 70148), (5044, 55309), (5396, 51701), (5822, 47918), (6887, 40508), (7372, 37843), (7954, 35074), (10127, 27548), (11644, 23959), (13774, 20254), (15908, 17537)]