About the Number

2628990

2628989 ← → 2628991

2進数表記:1010000001110101111110

漢数字表記:二百六十二万八千九百九十

素因数分解:

2 1 × 3 3 × 5 1 × 7 1 × 13 1 × 107 1

素因数の和:143
約数の個数: 128
約数和(自身を含む): 8709120
約数和(自身を除く): 6080130

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 107, 117, 126, 130, 135, 182, 189, 195, 210, 214, 234, 270, 273, 315, 321, 351, 378, 390, 455, 535, 546, 585, 630, 642, 702, 749, 819, 910, 945, 963, 1070, 1170, 1365, 1391, 1498, 1605, 1638, 1755, 1890, 1926, 2247, 2457, 2730, 2782, 2889, 3210, 3510, 3745, 4095, 4173, 4494, 4815, 4914, 5778, 6741, 6955, 7490, 8190, 8346, 9630, 9737, 11235, 12285, 12519, 13482, 13910, 14445, 19474, 20223, 20865, 22470, 24570, 25038, 28890, 29211, 33705, 37557, 40446, 41730, 48685, 58422, 62595, 67410, 75114, 87633, 97370, 101115, 125190, 146055, 175266, 187785, 202230, 262899, 292110, 375570, 438165, 525798, 876330, 1314495, 2628990]

約数ペア:
[(1, 2628990), (2, 1314495), (3, 876330), (5, 525798), (6, 438165), (7, 375570), (9, 292110), (10, 262899), (13, 202230), (14, 187785), (15, 175266), (18, 146055), (21, 125190), (26, 101115), (27, 97370), (30, 87633), (35, 75114), (39, 67410), (42, 62595), (45, 58422), (54, 48685), (63, 41730), (65, 40446), (70, 37557), (78, 33705), (90, 29211), (91, 28890), (105, 25038), (107, 24570), (117, 22470), (126, 20865), (130, 20223), (135, 19474), (182, 14445), (189, 13910), (195, 13482), (210, 12519), (214, 12285), (234, 11235), (270, 9737), (273, 9630), (315, 8346), (321, 8190), (351, 7490), (378, 6955), (390, 6741), (455, 5778), (535, 4914), (546, 4815), (585, 4494), (630, 4173), (642, 4095), (702, 3745), (749, 3510), (819, 3210), (910, 2889), (945, 2782), (963, 2730), (1070, 2457), (1170, 2247), (1365, 1926), (1391, 1890), (1498, 1755), (1605, 1638)]

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