About the Number

2009131890

2009131889 ← → 2009131891

2進数表記:1110111110000001110101101110010

漢数字表記:二十億九百十三万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 29 1 × 2309347 1

素因数の和:2309386
約数の個数: 32
約数和(自身を含む): 4988191680
約数和(自身を除く): 2979059790

約数列:
[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 2309347, 4618694, 6928041, 11546735, 13856082, 23093470, 34640205, 66971063, 69280410, 133942126, 200913189, 334855315, 401826378, 669710630, 1004565945, 2009131890]

約数ペア:
[(1, 2009131890), (2, 1004565945), (3, 669710630), (5, 401826378), (6, 334855315), (10, 200913189), (15, 133942126), (29, 69280410), (30, 66971063), (58, 34640205), (87, 23093470), (145, 13856082), (174, 11546735), (290, 6928041), (435, 4618694), (870, 2309347)]

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