About the Number

120987972

120987971 ← → 120987973

2進数表記:111001101100010000101000100

漢数字表記:一億二千九十八万七千九百七十二

素因数分解:

2 2 × 3 3 × 7 1 × 19 1 × 8423 1

素因数の和:8462
約数の個数: 96
約数和(自身を含む): 377395200
約数和(自身を除く): 256407228

約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1026, 1197, 1596, 2052, 2394, 3591, 4788, 7182, 8423, 14364, 16846, 25269, 33692, 50538, 58961, 75807, 101076, 117922, 151614, 160037, 176883, 227421, 235844, 303228, 320074, 353766, 454842, 480111, 530649, 640148, 707532, 909684, 960222, 1061298, 1120259, 1440333, 1591947, 1920444, 2122596, 2240518, 2880666, 3183894, 3360777, 4320999, 4481036, 5761332, 6367788, 6721554, 8641998, 10082331, 13443108, 17283996, 20164662, 30246993, 40329324, 60493986, 120987972]

約数ペア:
[(1, 120987972), (2, 60493986), (3, 40329324), (4, 30246993), (6, 20164662), (7, 17283996), (9, 13443108), (12, 10082331), (14, 8641998), (18, 6721554), (19, 6367788), (21, 5761332), (27, 4481036), (28, 4320999), (36, 3360777), (38, 3183894), (42, 2880666), (54, 2240518), (57, 2122596), (63, 1920444), (76, 1591947), (84, 1440333), (108, 1120259), (114, 1061298), (126, 960222), (133, 909684), (171, 707532), (189, 640148), (228, 530649), (252, 480111), (266, 454842), (342, 353766), (378, 320074), (399, 303228), (513, 235844), (532, 227421), (684, 176883), (756, 160037), (798, 151614), (1026, 117922), (1197, 101076), (1596, 75807), (2052, 58961), (2394, 50538), (3591, 33692), (4788, 25269), (7182, 16846), (8423, 14364)]

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