About the Number

123512130

123512129 ← → 123512131

2進数表記:111010111001010010101000010

漢数字表記:一億二千三百五十一万二千百三十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 196051 1

素因数の和:196071
約数の個数: 48
約数和(自身を含む): 367009344
約数和(自身を除く): 243497214

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 196051, 392102, 588153, 980255, 1176306, 1372357, 1764459, 1960510, 2744714, 2940765, 3528918, 4117071, 5881530, 6861785, 8234142, 8822295, 12351213, 13723570, 17644590, 20585355, 24702426, 41170710, 61756065, 123512130]

約数ペア:
[(1, 123512130), (2, 61756065), (3, 41170710), (5, 24702426), (6, 20585355), (7, 17644590), (9, 13723570), (10, 12351213), (14, 8822295), (15, 8234142), (18, 6861785), (21, 5881530), (30, 4117071), (35, 3528918), (42, 2940765), (45, 2744714), (63, 1960510), (70, 1764459), (90, 1372357), (105, 1176306), (126, 980255), (210, 588153), (315, 392102), (630, 196051)]

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