About the Number

20180130

20180129 ← → 20180131

2進数表記:1001100111110110010100010

漢数字表記:二千十八万百三十

素因数分解:

2 1 × 3 1 × 5 1 × 233 1 × 2887 1

素因数の和:3130
約数の個数: 32
約数和(自身を含む): 48657024
約数和(自身を除く): 28476894

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 2887, 3495, 5774, 6990, 8661, 14435, 17322, 28870, 43305, 86610, 672671, 1345342, 2018013, 3363355, 4036026, 6726710, 10090065, 20180130]

約数ペア:
[(1, 20180130), (2, 10090065), (3, 6726710), (5, 4036026), (6, 3363355), (10, 2018013), (15, 1345342), (30, 672671), (233, 86610), (466, 43305), (699, 28870), (1165, 17322), (1398, 14435), (2330, 8661), (2887, 6990), (3495, 5774)]

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