209537496

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1158

約数の個数: 128

約数和(自身を含む): 670656000

約数和(自身を除く): 461118504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 139, 168, 189, 216, 252, 278, 378, 417, 504, 556, 756, 834, 973, 997, 1112, 1251, 1512, 1668, 1946, 1994, 2502, 2919, 2991, 3336, 3753, 3892, 3988, 5004, 5838, 5982, 6979, 7506, 7784, 7976, 8757, 8973, 10008, 11676, 11964, 13958, 15012, 17514, 17946, 20937, 23352, 23928, 26271, 26919, 27916, 30024, 35028, 35892, 41874, 52542, 53838, 55832, 62811, 70056, 71784, 83748, 105084, 107676, 125622, 138583, 167496, 188433, 210168, 215352, 251244, 277166, 376866, 415749, 502488, 554332, 753732, 831498, 970081, 1108664, 1247247, 1507464, 1662996, 1940162, 2494494, 2910243, 3325992, 3741741, 3880324, 4988988, 5820486, 7483482, 7760648, 8730729, 9977976, 11640972, 14966964, 17461458, 23281944, 26192187, 29933928, 34922916, 52384374, 69845832, 104768748, 209537496]

約数ペア:

[(1, 209537496), (2, 104768748), (3, 69845832), (4, 52384374), (6, 34922916), (7, 29933928), (8, 26192187), (9, 23281944), (12, 17461458), (14, 14966964), (18, 11640972), (21, 9977976), (24, 8730729), (27, 7760648), (28, 7483482), (36, 5820486), (42, 4988988), (54, 3880324), (56, 3741741), (63, 3325992), (72, 2910243), (84, 2494494), (108, 1940162), (126, 1662996), (139, 1507464), (168, 1247247), (189, 1108664), (216, 970081), (252, 831498), (278, 753732), (378, 554332), (417, 502488), (504, 415749), (556, 376866), (756, 277166), (834, 251244), (973, 215352), (997, 210168), (1112, 188433), (1251, 167496), (1512, 138583), (1668, 125622), (1946, 107676), (1994, 105084), (2502, 83748), (2919, 71784), (2991, 70056), (3336, 62811), (3753, 55832), (3892, 53838), (3988, 52542), (5004, 41874), (5838, 35892), (5982, 35028), (6979, 30024), (7506, 27916), (7784, 26919), (7976, 26271), (8757, 23928), (8973, 23352), (10008, 20937), (11676, 17946), (11964, 17514), (13958, 15012)]