About the Number

11212390

11212389 ← → 11212391

2進数表記:101010110001011001100110

漢数字表記:千百二十一万二千三百九十

素因数分解:

2 1 × 5 1 × 7 1 × 31 1 × 5167 1

素因数の和:5212
約数の個数: 32
約数和(自身を含む): 23814144
約数和(自身を除く): 12601754

約数列:
[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 5167, 10334, 25835, 36169, 51670, 72338, 160177, 180845, 320354, 361690, 800885, 1121239, 1601770, 2242478, 5606195, 11212390]

約数ペア:
[(1, 11212390), (2, 5606195), (5, 2242478), (7, 1601770), (10, 1121239), (14, 800885), (31, 361690), (35, 320354), (62, 180845), (70, 160177), (155, 72338), (217, 51670), (310, 36169), (434, 25835), (1085, 10334), (2170, 5167)]

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