About the Number

2188890

2188889 ← → 2188891

2進数表記:1000010110011001011010

漢数字表記:二百十八万八千八百九十

素因数分解:

2 1 × 3 3 × 5 1 × 11 2 × 67 1

素因数の和:105
約数の個数: 96
約数和(自身を含む): 6511680
約数和(自身を除く): 4322790

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 67, 90, 99, 110, 121, 134, 135, 165, 198, 201, 242, 270, 297, 330, 335, 363, 402, 495, 594, 603, 605, 670, 726, 737, 990, 1005, 1089, 1206, 1210, 1474, 1485, 1809, 1815, 2010, 2178, 2211, 2970, 3015, 3267, 3618, 3630, 3685, 4422, 5445, 6030, 6534, 6633, 7370, 8107, 9045, 10890, 11055, 13266, 16214, 16335, 18090, 19899, 22110, 24321, 32670, 33165, 39798, 40535, 48642, 66330, 72963, 81070, 99495, 121605, 145926, 198990, 218889, 243210, 364815, 437778, 729630, 1094445, 2188890]

約数ペア:
[(1, 2188890), (2, 1094445), (3, 729630), (5, 437778), (6, 364815), (9, 243210), (10, 218889), (11, 198990), (15, 145926), (18, 121605), (22, 99495), (27, 81070), (30, 72963), (33, 66330), (45, 48642), (54, 40535), (55, 39798), (66, 33165), (67, 32670), (90, 24321), (99, 22110), (110, 19899), (121, 18090), (134, 16335), (135, 16214), (165, 13266), (198, 11055), (201, 10890), (242, 9045), (270, 8107), (297, 7370), (330, 6633), (335, 6534), (363, 6030), (402, 5445), (495, 4422), (594, 3685), (603, 3630), (605, 3618), (670, 3267), (726, 3015), (737, 2970), (990, 2211), (1005, 2178), (1089, 2010), (1206, 1815), (1210, 1809), (1474, 1485)]

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