About the Number

201027890

201027889 ← → 201027891

2進数表記:1011111110110111000100110010

漢数字表記:二億百二万七千八百九十

素因数分解:

2 1 × 5 1 × 7 2 × 17 1 × 24133 1

素因数の和:24171
約数の個数: 48
約数和(自身を含む): 445706712
約数和(自身を除く): 244678822

約数列:
[1, 2, 5, 7, 10, 14, 17, 34, 35, 49, 70, 85, 98, 119, 170, 238, 245, 490, 595, 833, 1190, 1666, 4165, 8330, 24133, 48266, 120665, 168931, 241330, 337862, 410261, 820522, 844655, 1182517, 1689310, 2051305, 2365034, 2871827, 4102610, 5743654, 5912585, 11825170, 14359135, 20102789, 28718270, 40205578, 100513945, 201027890]

約数ペア:
[(1, 201027890), (2, 100513945), (5, 40205578), (7, 28718270), (10, 20102789), (14, 14359135), (17, 11825170), (34, 5912585), (35, 5743654), (49, 4102610), (70, 2871827), (85, 2365034), (98, 2051305), (119, 1689310), (170, 1182517), (238, 844655), (245, 820522), (490, 410261), (595, 337862), (833, 241330), (1190, 168931), (1666, 120665), (4165, 48266), (8330, 24133)]

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