About the Number

3201990

3201989 ← → 3201991

2進数表記:1100001101101111000110

漢数字表記:三百二十万千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 31 1 × 313 1

素因数の和:365
約数の個数: 64
約数和(自身を含む): 8681472
約数和(自身を除く): 5479482

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 313, 330, 341, 465, 626, 682, 930, 939, 1023, 1565, 1705, 1878, 2046, 3130, 3410, 3443, 4695, 5115, 6886, 9390, 9703, 10230, 10329, 17215, 19406, 20658, 29109, 34430, 48515, 51645, 58218, 97030, 103290, 106733, 145545, 213466, 291090, 320199, 533665, 640398, 1067330, 1600995, 3201990]

約数ペア:
[(1, 3201990), (2, 1600995), (3, 1067330), (5, 640398), (6, 533665), (10, 320199), (11, 291090), (15, 213466), (22, 145545), (30, 106733), (31, 103290), (33, 97030), (55, 58218), (62, 51645), (66, 48515), (93, 34430), (110, 29109), (155, 20658), (165, 19406), (186, 17215), (310, 10329), (313, 10230), (330, 9703), (341, 9390), (465, 6886), (626, 5115), (682, 4695), (930, 3443), (939, 3410), (1023, 3130), (1565, 2046), (1705, 1878)]

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