About the Number

201219984

201219983 ← → 201219985

2進数表記:1011111111100101111110010000

漢数字表記:二億百二十一万九千九百八十四

素因数分解:

2 4 × 3 3 × 7 1 × 66541 1

素因数の和:66565
約数の個数: 80
約数和(自身を含む): 660096640
約数和(自身を除く): 458876656

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 66541, 133082, 199623, 266164, 399246, 465787, 532328, 598869, 798492, 931574, 1064656, 1197738, 1397361, 1596984, 1796607, 1863148, 2395476, 2794722, 3193968, 3593214, 3726296, 4192083, 4790952, 5589444, 7186428, 7452592, 8384166, 9581904, 11178888, 12576249, 14372856, 16768332, 22357776, 25152498, 28745712, 33536664, 50304996, 67073328, 100609992, 201219984]

約数ペア:
[(1, 201219984), (2, 100609992), (3, 67073328), (4, 50304996), (6, 33536664), (7, 28745712), (8, 25152498), (9, 22357776), (12, 16768332), (14, 14372856), (16, 12576249), (18, 11178888), (21, 9581904), (24, 8384166), (27, 7452592), (28, 7186428), (36, 5589444), (42, 4790952), (48, 4192083), (54, 3726296), (56, 3593214), (63, 3193968), (72, 2794722), (84, 2395476), (108, 1863148), (112, 1796607), (126, 1596984), (144, 1397361), (168, 1197738), (189, 1064656), (216, 931574), (252, 798492), (336, 598869), (378, 532328), (432, 465787), (504, 399246), (756, 266164), (1008, 199623), (1512, 133082), (3024, 66541)]

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