About the Number

207942390

207942389 ← → 207942391

2進数表記:1100011001001111001011110110

漢数字表記:二億七百九十四万二千三百九十

素因数分解:

2 1 × 3 5 × 5 1 × 83 1 × 1031 1

素因数の和:1136
約数の個数: 96
約数和(自身を含む): 567979776
約数和(自身を除く): 360037386

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 83, 90, 135, 162, 166, 243, 249, 270, 405, 415, 486, 498, 747, 810, 830, 1031, 1215, 1245, 1494, 2062, 2241, 2430, 2490, 3093, 3735, 4482, 5155, 6186, 6723, 7470, 9279, 10310, 11205, 13446, 15465, 18558, 20169, 22410, 27837, 30930, 33615, 40338, 46395, 55674, 67230, 83511, 85573, 92790, 100845, 139185, 167022, 171146, 201690, 250533, 256719, 278370, 417555, 427865, 501066, 513438, 770157, 835110, 855730, 1252665, 1283595, 1540314, 2310471, 2505330, 2567190, 3850785, 4620942, 6931413, 7701570, 11552355, 13862826, 20794239, 23104710, 34657065, 41588478, 69314130, 103971195, 207942390]

約数ペア:
[(1, 207942390), (2, 103971195), (3, 69314130), (5, 41588478), (6, 34657065), (9, 23104710), (10, 20794239), (15, 13862826), (18, 11552355), (27, 7701570), (30, 6931413), (45, 4620942), (54, 3850785), (81, 2567190), (83, 2505330), (90, 2310471), (135, 1540314), (162, 1283595), (166, 1252665), (243, 855730), (249, 835110), (270, 770157), (405, 513438), (415, 501066), (486, 427865), (498, 417555), (747, 278370), (810, 256719), (830, 250533), (1031, 201690), (1215, 171146), (1245, 167022), (1494, 139185), (2062, 100845), (2241, 92790), (2430, 85573), (2490, 83511), (3093, 67230), (3735, 55674), (4482, 46395), (5155, 40338), (6186, 33615), (6723, 30930), (7470, 27837), (9279, 22410), (10310, 20169), (11205, 18558), (13446, 15465)]

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