About the Number

202017990

202017989 ← → 202017991

2進数表記:1100000010101000110011000110

漢数字表記:二億二百一万七千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 233 1 × 28901 1

素因数の和:29144
約数の個数: 32
約数和(自身を含む): 486940896
約数和(自身を除く): 284922906

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 3495, 6990, 28901, 57802, 86703, 144505, 173406, 289010, 433515, 867030, 6733933, 13467866, 20201799, 33669665, 40403598, 67339330, 101008995, 202017990]

約数ペア:
[(1, 202017990), (2, 101008995), (3, 67339330), (5, 40403598), (6, 33669665), (10, 20201799), (15, 13467866), (30, 6733933), (233, 867030), (466, 433515), (699, 289010), (1165, 173406), (1398, 144505), (2330, 86703), (3495, 57802), (6990, 28901)]

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