About the Number

12237890

12237889 ← → 12237891

2進数表記:101110101011110001000010

漢数字表記:千二百二十三万七千八百九十

素因数分解:

2 1 × 5 1 × 7 1 × 79 1 × 2213 1

素因数の和:2306
約数の個数: 32
約数和(自身を含む): 25505280
約数和(自身を除く): 13267390

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2213, 2765, 4426, 5530, 11065, 15491, 22130, 30982, 77455, 154910, 174827, 349654, 874135, 1223789, 1748270, 2447578, 6118945, 12237890]

約数ペア:
[(1, 12237890), (2, 6118945), (5, 2447578), (7, 1748270), (10, 1223789), (14, 874135), (35, 349654), (70, 174827), (79, 154910), (158, 77455), (395, 30982), (553, 22130), (790, 15491), (1106, 11065), (2213, 5530), (2765, 4426)]

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