About the Number

189978048

189978047 ← → 189978049

2進数表記:1011010100101101010111000000

漢数字表記:一億八千九百九十七万八千四十八

素因数分解:

2 6 × 3 4 × 13 1 × 2819 1

素因数の和:2856
約数の個数: 140
約数和(自身を含む): 606689160
約数和(自身を除く): 416711112

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 192, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 576, 624, 648, 702, 832, 864, 936, 1053, 1248, 1296, 1404, 1728, 1872, 2106, 2496, 2592, 2808, 2819, 3744, 4212, 5184, 5616, 5638, 7488, 8424, 8457, 11232, 11276, 16848, 16914, 22464, 22552, 25371, 33696, 33828, 36647, 45104, 50742, 67392, 67656, 73294, 76113, 90208, 101484, 109941, 135312, 146588, 152226, 180416, 202968, 219882, 228339, 270624, 293176, 304452, 329823, 405936, 439764, 456678, 541248, 586352, 608904, 659646, 811872, 879528, 913356, 989469, 1172704, 1217808, 1319292, 1623744, 1759056, 1826712, 1978938, 2345408, 2435616, 2638584, 2968407, 3518112, 3653424, 3957876, 4871232, 5277168, 5936814, 7036224, 7306848, 7915752, 10554336, 11873628, 14613696, 15831504, 21108672, 23747256, 31663008, 47494512, 63326016, 94989024, 189978048]

約数ペア:
[(1, 189978048), (2, 94989024), (3, 63326016), (4, 47494512), (6, 31663008), (8, 23747256), (9, 21108672), (12, 15831504), (13, 14613696), (16, 11873628), (18, 10554336), (24, 7915752), (26, 7306848), (27, 7036224), (32, 5936814), (36, 5277168), (39, 4871232), (48, 3957876), (52, 3653424), (54, 3518112), (64, 2968407), (72, 2638584), (78, 2435616), (81, 2345408), (96, 1978938), (104, 1826712), (108, 1759056), (117, 1623744), (144, 1319292), (156, 1217808), (162, 1172704), (192, 989469), (208, 913356), (216, 879528), (234, 811872), (288, 659646), (312, 608904), (324, 586352), (351, 541248), (416, 456678), (432, 439764), (468, 405936), (576, 329823), (624, 304452), (648, 293176), (702, 270624), (832, 228339), (864, 219882), (936, 202968), (1053, 180416), (1248, 152226), (1296, 146588), (1404, 135312), (1728, 109941), (1872, 101484), (2106, 90208), (2496, 76113), (2592, 73294), (2808, 67656), (2819, 67392), (3744, 50742), (4212, 45104), (5184, 36647), (5616, 33828), (5638, 33696), (7488, 25371), (8424, 22552), (8457, 22464), (11232, 16914), (11276, 16848)]

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