About the Number

138408912

138408911 ← → 138408913

2進数表記:1000001111111111001111010000

漢数字表記:一億三千八百四十万八千九百十二

素因数分解:

2 4 × 3 5 × 97 1 × 367 1

素因数の和:487
約数の個数: 120
約数和(自身を含む): 406946176
約数和(自身を除く): 268537264

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 97, 108, 144, 162, 194, 216, 243, 291, 324, 367, 388, 432, 486, 582, 648, 734, 776, 873, 972, 1101, 1164, 1296, 1468, 1552, 1746, 1944, 2202, 2328, 2619, 2936, 3303, 3492, 3888, 4404, 4656, 5238, 5872, 6606, 6984, 7857, 8808, 9909, 10476, 13212, 13968, 15714, 17616, 19818, 20952, 23571, 26424, 29727, 31428, 35599, 39636, 41904, 47142, 52848, 59454, 62856, 71198, 79272, 89181, 94284, 106797, 118908, 125712, 142396, 158544, 178362, 188568, 213594, 237816, 284792, 320391, 356724, 377136, 427188, 475632, 569584, 640782, 713448, 854376, 961173, 1281564, 1426896, 1708752, 1922346, 2563128, 2883519, 3844692, 5126256, 5767038, 7689384, 8650557, 11534076, 15378768, 17301114, 23068152, 34602228, 46136304, 69204456, 138408912]

約数ペア:
[(1, 138408912), (2, 69204456), (3, 46136304), (4, 34602228), (6, 23068152), (8, 17301114), (9, 15378768), (12, 11534076), (16, 8650557), (18, 7689384), (24, 5767038), (27, 5126256), (36, 3844692), (48, 2883519), (54, 2563128), (72, 1922346), (81, 1708752), (97, 1426896), (108, 1281564), (144, 961173), (162, 854376), (194, 713448), (216, 640782), (243, 569584), (291, 475632), (324, 427188), (367, 377136), (388, 356724), (432, 320391), (486, 284792), (582, 237816), (648, 213594), (734, 188568), (776, 178362), (873, 158544), (972, 142396), (1101, 125712), (1164, 118908), (1296, 106797), (1468, 94284), (1552, 89181), (1746, 79272), (1944, 71198), (2202, 62856), (2328, 59454), (2619, 52848), (2936, 47142), (3303, 41904), (3492, 39636), (3888, 35599), (4404, 31428), (4656, 29727), (5238, 26424), (5872, 23571), (6606, 20952), (6984, 19818), (7857, 17616), (8808, 15714), (9909, 13968), (10476, 13212)]

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