About the Number

123157072

123157071 ← → 123157073

2進数表記:111010101110011101001010000

漢数字表記:一億二千三百十五万七千七十二

素因数分解:

2 4 × 59 1 × 283 1 × 461 1

素因数の和:811
約数の個数: 40
約数和(自身を含む): 244046880
約数和(自身を除く): 120889808

約数列:
[1, 2, 4, 8, 16, 59, 118, 236, 283, 461, 472, 566, 922, 944, 1132, 1844, 2264, 3688, 4528, 7376, 16697, 27199, 33394, 54398, 66788, 108796, 130463, 133576, 217592, 260926, 267152, 435184, 521852, 1043704, 2087408, 7697317, 15394634, 30789268, 61578536, 123157072]

約数ペア:
[(1, 123157072), (2, 61578536), (4, 30789268), (8, 15394634), (16, 7697317), (59, 2087408), (118, 1043704), (236, 521852), (283, 435184), (461, 267152), (472, 260926), (566, 217592), (922, 133576), (944, 130463), (1132, 108796), (1844, 66788), (2264, 54398), (3688, 33394), (4528, 27199), (7376, 16697)]

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