About the Number

138988512

138988511 ← → 138988513

2進数表記:1000010010001100101111100000

漢数字表記:一億三千八百九十八万八千五百十二

素因数分解:

2 5 × 3 2 × 13 1 × 37123 1

素因数の和:37152
約数の個数: 72
約数和(自身を含む): 425663784
約数和(自身を除く): 286675272

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 37123, 74246, 111369, 148492, 222738, 296984, 334107, 445476, 482599, 593968, 668214, 890952, 965198, 1187936, 1336428, 1447797, 1781904, 1930396, 2672856, 2895594, 3563808, 3860792, 4343391, 5345712, 5791188, 7721584, 8686782, 10691424, 11582376, 15443168, 17373564, 23164752, 34747128, 46329504, 69494256, 138988512]

約数ペア:
[(1, 138988512), (2, 69494256), (3, 46329504), (4, 34747128), (6, 23164752), (8, 17373564), (9, 15443168), (12, 11582376), (13, 10691424), (16, 8686782), (18, 7721584), (24, 5791188), (26, 5345712), (32, 4343391), (36, 3860792), (39, 3563808), (48, 2895594), (52, 2672856), (72, 1930396), (78, 1781904), (96, 1447797), (104, 1336428), (117, 1187936), (144, 965198), (156, 890952), (208, 668214), (234, 593968), (288, 482599), (312, 445476), (416, 334107), (468, 296984), (624, 222738), (936, 148492), (1248, 111369), (1872, 74246), (3744, 37123)]

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