About the Number

2912985990

2912985989 ← → 2912985991

2進数表記:10101101101000001010001110000110

漢数字表記:二十九億千二百九十八万五千九百九十

素因数分解:

2 1 × 3 4 × 5 1 × 31 1 × 116009 1

素因数の和:116059
約数の個数: 80
約数和(自身を含む): 8085432960
約数和(自身を除く): 5172446970

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 5022, 8370, 12555, 25110, 116009, 232018, 348027, 580045, 696054, 1044081, 1160090, 1740135, 2088162, 3132243, 3480270, 3596279, 5220405, 6264486, 7192558, 9396729, 10440810, 10788837, 15661215, 17981395, 18793458, 21577674, 31322430, 32366511, 35962790, 46983645, 53944185, 64733022, 93967290, 97099533, 107888370, 161832555, 194199066, 291298599, 323665110, 485497665, 582597198, 970995330, 1456492995, 2912985990]

約数ペア:
[(1, 2912985990), (2, 1456492995), (3, 970995330), (5, 582597198), (6, 485497665), (9, 323665110), (10, 291298599), (15, 194199066), (18, 161832555), (27, 107888370), (30, 97099533), (31, 93967290), (45, 64733022), (54, 53944185), (62, 46983645), (81, 35962790), (90, 32366511), (93, 31322430), (135, 21577674), (155, 18793458), (162, 17981395), (186, 15661215), (270, 10788837), (279, 10440810), (310, 9396729), (405, 7192558), (465, 6264486), (558, 5220405), (810, 3596279), (837, 3480270), (930, 3132243), (1395, 2088162), (1674, 1740135), (2511, 1160090), (2790, 1044081), (4185, 696054), (5022, 580045), (8370, 348027), (12555, 232018), (25110, 116009)]

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