About the Number

72003990

72003989 ← → 72003991

2進数表記:100010010101011000110010110

漢数字表記:七千二百万三千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 233 1 × 10301 1

素因数の和:10544
約数の個数: 32
約数和(自身を含む): 173568096
約数和(自身を除く): 101564106

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 233, 466, 699, 1165, 1398, 2330, 3495, 6990, 10301, 20602, 30903, 51505, 61806, 103010, 154515, 309030, 2400133, 4800266, 7200399, 12000665, 14400798, 24001330, 36001995, 72003990]

約数ペア:
[(1, 72003990), (2, 36001995), (3, 24001330), (5, 14400798), (6, 12000665), (10, 7200399), (15, 4800266), (30, 2400133), (233, 309030), (466, 154515), (699, 103010), (1165, 61806), (1398, 51505), (2330, 30903), (3495, 20602), (6990, 10301)]

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