About the Number

10909890

10909889 ← → 10909891

2進数表記:101001100111100011000010

漢数字表記:千九十万九千八百九十

素因数分解:

2 1 × 3 4 × 5 1 × 13469 1

素因数の和:13488
約数の個数: 40
約数和(自身を含む): 29337660
約数和(自身を除く): 18427770

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 13469, 26938, 40407, 67345, 80814, 121221, 134690, 202035, 242442, 363663, 404070, 606105, 727326, 1090989, 1212210, 1818315, 2181978, 3636630, 5454945, 10909890]

約数ペア:
[(1, 10909890), (2, 5454945), (3, 3636630), (5, 2181978), (6, 1818315), (9, 1212210), (10, 1090989), (15, 727326), (18, 606105), (27, 404070), (30, 363663), (45, 242442), (54, 202035), (81, 134690), (90, 121221), (135, 80814), (162, 67345), (270, 40407), (405, 26938), (810, 13469)]

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