About the Number

20170124128

20170124127 ← → 20170124129

2進数表記:10010110010001110111010101101100000

漢数字表記:二百一億七千十二万四千百二十八

素因数分解:

2 5 × 7 1 × 11 1 × 97 1 × 84391 1

素因数の和:84516
約数の個数: 96
約数和(自身を含む): 50019475968
約数和(自身を除く): 29849351840

約数列:
[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 97, 112, 154, 176, 194, 224, 308, 352, 388, 616, 679, 776, 1067, 1232, 1358, 1552, 2134, 2464, 2716, 3104, 4268, 5432, 7469, 8536, 10864, 14938, 17072, 21728, 29876, 34144, 59752, 84391, 119504, 168782, 239008, 337564, 590737, 675128, 928301, 1181474, 1350256, 1856602, 2362948, 2700512, 3713204, 4725896, 6498107, 7426408, 8185927, 9451792, 12996214, 14852816, 16371854, 18903584, 25992428, 29705632, 32743708, 51984856, 57301489, 65487416, 90045197, 103969712, 114602978, 130974832, 180090394, 207939424, 229205956, 261949664, 360180788, 458411912, 630316379, 720361576, 916823824, 1260632758, 1440723152, 1833647648, 2521265516, 2881446304, 5042531032, 10085062064, 20170124128]

約数ペア:
[(1, 20170124128), (2, 10085062064), (4, 5042531032), (7, 2881446304), (8, 2521265516), (11, 1833647648), (14, 1440723152), (16, 1260632758), (22, 916823824), (28, 720361576), (32, 630316379), (44, 458411912), (56, 360180788), (77, 261949664), (88, 229205956), (97, 207939424), (112, 180090394), (154, 130974832), (176, 114602978), (194, 103969712), (224, 90045197), (308, 65487416), (352, 57301489), (388, 51984856), (616, 32743708), (679, 29705632), (776, 25992428), (1067, 18903584), (1232, 16371854), (1358, 14852816), (1552, 12996214), (2134, 9451792), (2464, 8185927), (2716, 7426408), (3104, 6498107), (4268, 4725896), (5432, 3713204), (7469, 2700512), (8536, 2362948), (10864, 1856602), (14938, 1350256), (17072, 1181474), (21728, 928301), (29876, 675128), (34144, 590737), (59752, 337564), (84391, 239008), (119504, 168782)]

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