About the Number

72908988

72908987 ← → 72908989

2進数表記:100010110001000000010111100

漢数字表記:七千二百九十万八千九百八十八

素因数分解:

2 2 × 3 1 × 17 1 × 23 1 × 41 1 × 379 1

素因数の和:467
約数の個数: 96
約数和(自身を含む): 193052160
約数和(自身を除く): 120143172

約数列:
[1, 2, 3, 4, 6, 12, 17, 23, 34, 41, 46, 51, 68, 69, 82, 92, 102, 123, 138, 164, 204, 246, 276, 379, 391, 492, 697, 758, 782, 943, 1137, 1173, 1394, 1516, 1564, 1886, 2091, 2274, 2346, 2788, 2829, 3772, 4182, 4548, 4692, 5658, 6443, 8364, 8717, 11316, 12886, 15539, 16031, 17434, 19329, 25772, 26151, 31078, 32062, 34868, 38658, 46617, 48093, 52302, 62156, 64124, 77316, 93234, 96186, 104604, 148189, 186468, 192372, 264163, 296378, 357397, 444567, 528326, 592756, 714794, 792489, 889134, 1056652, 1072191, 1429588, 1584978, 1778268, 2144382, 3169956, 4288764, 6075749, 12151498, 18227247, 24302996, 36454494, 72908988]

約数ペア:
[(1, 72908988), (2, 36454494), (3, 24302996), (4, 18227247), (6, 12151498), (12, 6075749), (17, 4288764), (23, 3169956), (34, 2144382), (41, 1778268), (46, 1584978), (51, 1429588), (68, 1072191), (69, 1056652), (82, 889134), (92, 792489), (102, 714794), (123, 592756), (138, 528326), (164, 444567), (204, 357397), (246, 296378), (276, 264163), (379, 192372), (391, 186468), (492, 148189), (697, 104604), (758, 96186), (782, 93234), (943, 77316), (1137, 64124), (1173, 62156), (1394, 52302), (1516, 48093), (1564, 46617), (1886, 38658), (2091, 34868), (2274, 32062), (2346, 31078), (2788, 26151), (2829, 25772), (3772, 19329), (4182, 17434), (4548, 16031), (4692, 15539), (5658, 12886), (6443, 11316), (8364, 8717)]

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