About the Number

138805488

138805487 ← → 138805489

2進数表記:1000010001100000000011110000

漢数字表記:一億三千八百八十万五千四百八十八

素因数分解:

2 4 × 3 5 × 19 1 × 1879 1

素因数の和:1921
約数の個数: 120
約数和(自身を含む): 424278400
約数和(自身を除く): 285472912

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 81, 108, 114, 144, 152, 162, 171, 216, 228, 243, 304, 324, 342, 432, 456, 486, 513, 648, 684, 912, 972, 1026, 1296, 1368, 1539, 1879, 1944, 2052, 2736, 3078, 3758, 3888, 4104, 4617, 5637, 6156, 7516, 8208, 9234, 11274, 12312, 15032, 16911, 18468, 22548, 24624, 30064, 33822, 35701, 36936, 45096, 50733, 67644, 71402, 73872, 90192, 101466, 107103, 135288, 142804, 152199, 202932, 214206, 270576, 285608, 304398, 321309, 405864, 428412, 456597, 571216, 608796, 642618, 811728, 856824, 913194, 963927, 1217592, 1285236, 1713648, 1826388, 1927854, 2435184, 2570472, 2891781, 3652776, 3855708, 5140944, 5783562, 7305552, 7711416, 8675343, 11567124, 15422832, 17350686, 23134248, 34701372, 46268496, 69402744, 138805488]

約数ペア:
[(1, 138805488), (2, 69402744), (3, 46268496), (4, 34701372), (6, 23134248), (8, 17350686), (9, 15422832), (12, 11567124), (16, 8675343), (18, 7711416), (19, 7305552), (24, 5783562), (27, 5140944), (36, 3855708), (38, 3652776), (48, 2891781), (54, 2570472), (57, 2435184), (72, 1927854), (76, 1826388), (81, 1713648), (108, 1285236), (114, 1217592), (144, 963927), (152, 913194), (162, 856824), (171, 811728), (216, 642618), (228, 608796), (243, 571216), (304, 456597), (324, 428412), (342, 405864), (432, 321309), (456, 304398), (486, 285608), (513, 270576), (648, 214206), (684, 202932), (912, 152199), (972, 142804), (1026, 135288), (1296, 107103), (1368, 101466), (1539, 90192), (1879, 73872), (1944, 71402), (2052, 67644), (2736, 50733), (3078, 45096), (3758, 36936), (3888, 35701), (4104, 33822), (4617, 30064), (5637, 24624), (6156, 22548), (7516, 18468), (8208, 16911), (9234, 15032), (11274, 12312)]

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