About the Number

490680288

490680287 ← → 490680289

2進数表記:11101001111110010111111100000

漢数字表記:四億九千六十八万二百八十八

素因数分解:

2 5 × 3 3 × 7 1 × 81131 1

素因数の和:81157
約数の個数: 96
約数和(自身を含む): 1635621120
約数和(自身を除く): 1144940832

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 6048, 81131, 162262, 243393, 324524, 486786, 567917, 649048, 730179, 973572, 1135834, 1298096, 1460358, 1703751, 1947144, 2190537, 2271668, 2596192, 2920716, 3407502, 3894288, 4381074, 4543336, 5111253, 5841432, 6815004, 7788576, 8762148, 9086672, 10222506, 11682864, 13630008, 15333759, 17524296, 18173344, 20445012, 23365728, 27260016, 30667518, 35048592, 40890024, 54520032, 61335036, 70097184, 81780048, 122670072, 163560096, 245340144, 490680288]

約数ペア:
[(1, 490680288), (2, 245340144), (3, 163560096), (4, 122670072), (6, 81780048), (7, 70097184), (8, 61335036), (9, 54520032), (12, 40890024), (14, 35048592), (16, 30667518), (18, 27260016), (21, 23365728), (24, 20445012), (27, 18173344), (28, 17524296), (32, 15333759), (36, 13630008), (42, 11682864), (48, 10222506), (54, 9086672), (56, 8762148), (63, 7788576), (72, 6815004), (84, 5841432), (96, 5111253), (108, 4543336), (112, 4381074), (126, 3894288), (144, 3407502), (168, 2920716), (189, 2596192), (216, 2271668), (224, 2190537), (252, 1947144), (288, 1703751), (336, 1460358), (378, 1298096), (432, 1135834), (504, 973572), (672, 730179), (756, 649048), (864, 567917), (1008, 486786), (1512, 324524), (2016, 243393), (3024, 162262), (6048, 81131)]

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