420171752

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 1074124800

約数和(自身を除く): 653953048

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 71, 77, 88, 91, 104, 142, 143, 154, 182, 284, 286, 308, 364, 497, 568, 572, 616, 728, 739, 781, 923, 994, 1001, 1144, 1478, 1562, 1846, 1988, 2002, 2956, 3124, 3692, 3976, 4004, 5173, 5467, 5912, 6248, 6461, 7384, 8008, 8129, 9607, 10153, 10346, 10934, 12922, 16258, 19214, 20306, 20692, 21868, 25844, 32516, 38428, 40612, 41384, 43736, 51688, 52469, 56903, 65032, 67249, 71071, 76856, 81224, 104938, 105677, 113806, 134498, 142142, 209876, 211354, 227612, 268996, 284284, 367283, 419752, 422708, 455224, 537992, 568568, 577159, 682097, 734566, 739739, 845416, 1154318, 1364194, 1469132, 1479478, 2308636, 2728388, 2938264, 2958956, 4040113, 4617272, 4774679, 5456776, 5917912, 7503067, 8080226, 9549358, 15006134, 16160452, 19098716, 30012268, 32320904, 38197432, 52521469, 60024536, 105042938, 210085876, 420171752]

約数ペア:

[(1, 420171752), (2, 210085876), (4, 105042938), (7, 60024536), (8, 52521469), (11, 38197432), (13, 32320904), (14, 30012268), (22, 19098716), (26, 16160452), (28, 15006134), (44, 9549358), (52, 8080226), (56, 7503067), (71, 5917912), (77, 5456776), (88, 4774679), (91, 4617272), (104, 4040113), (142, 2958956), (143, 2938264), (154, 2728388), (182, 2308636), (284, 1479478), (286, 1469132), (308, 1364194), (364, 1154318), (497, 845416), (568, 739739), (572, 734566), (616, 682097), (728, 577159), (739, 568568), (781, 537992), (923, 455224), (994, 422708), (1001, 419752), (1144, 367283), (1478, 284284), (1562, 268996), (1846, 227612), (1988, 211354), (2002, 209876), (2956, 142142), (3124, 134498), (3692, 113806), (3976, 105677), (4004, 104938), (5173, 81224), (5467, 76856), (5912, 71071), (6248, 67249), (6461, 65032), (7384, 56903), (8008, 52469), (8129, 51688), (9607, 43736), (10153, 41384), (10346, 40612), (10934, 38428), (12922, 32516), (16258, 25844), (19214, 21868), (20306, 20692)]