About the Number

381688272

381688271 ← → 381688273

2進数表記:10110110000000001100111010000

漢数字表記:三億八千百六十八万八千二百七十二

素因数分解:

2 4 × 3 2 × 7 1 × 277 1 × 1367 1

素因数の和:1665
約数の個数: 120
約数和(自身を含む): 1226100096
約数和(自身を除く): 844411824

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 277, 336, 504, 554, 831, 1008, 1108, 1367, 1662, 1939, 2216, 2493, 2734, 3324, 3878, 4101, 4432, 4986, 5468, 5817, 6648, 7756, 8202, 9569, 9972, 10936, 11634, 12303, 13296, 15512, 16404, 17451, 19138, 19944, 21872, 23268, 24606, 28707, 31024, 32808, 34902, 38276, 39888, 46536, 49212, 57414, 65616, 69804, 76552, 86121, 93072, 98424, 114828, 139608, 153104, 172242, 196848, 229656, 279216, 344484, 378659, 459312, 688968, 757318, 1135977, 1377936, 1514636, 2271954, 2650613, 3029272, 3407931, 4543908, 5301226, 6058544, 6815862, 7951839, 9087816, 10602452, 13631724, 15903678, 18175632, 21204904, 23855517, 27263448, 31807356, 42409808, 47711034, 54526896, 63614712, 95422068, 127229424, 190844136, 381688272]

約数ペア:
[(1, 381688272), (2, 190844136), (3, 127229424), (4, 95422068), (6, 63614712), (7, 54526896), (8, 47711034), (9, 42409808), (12, 31807356), (14, 27263448), (16, 23855517), (18, 21204904), (21, 18175632), (24, 15903678), (28, 13631724), (36, 10602452), (42, 9087816), (48, 7951839), (56, 6815862), (63, 6058544), (72, 5301226), (84, 4543908), (112, 3407931), (126, 3029272), (144, 2650613), (168, 2271954), (252, 1514636), (277, 1377936), (336, 1135977), (504, 757318), (554, 688968), (831, 459312), (1008, 378659), (1108, 344484), (1367, 279216), (1662, 229656), (1939, 196848), (2216, 172242), (2493, 153104), (2734, 139608), (3324, 114828), (3878, 98424), (4101, 93072), (4432, 86121), (4986, 76552), (5468, 69804), (5817, 65616), (6648, 57414), (7756, 49212), (8202, 46536), (9569, 39888), (9972, 38276), (10936, 34902), (11634, 32808), (12303, 31024), (13296, 28707), (15512, 24606), (16404, 23268), (17451, 21872), (19138, 19944)]

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