About the Number
81049290
2進数表記:100110101001011011011001010
漢数字表記:八千百四万九千二百九十
素因数分解:
素因数の和:3731
約数の個数: 64
約数和(自身を含む): 224446464
約数和(自身を除く): 143397174
約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 1070, 1498, 1605, 2247, 3210, 3607, 3745, 4494, 7214, 7490, 10821, 11235, 18035, 21642, 22470, 25249, 36070, 50498, 54105, 75747, 108210, 126245, 151494, 252490, 378735, 385949, 757470, 771898, 1157847, 1929745, 2315694, 2701643, 3859490, 5403286, 5789235, 8104929, 11578470, 13508215, 16209858, 27016430, 40524645, 81049290]
約数ペア:
[(1, 81049290), (2, 40524645), (3, 27016430), (5, 16209858), (6, 13508215), (7, 11578470), (10, 8104929), (14, 5789235), (15, 5403286), (21, 3859490), (30, 2701643), (35, 2315694), (42, 1929745), (70, 1157847), (105, 771898), (107, 757470), (210, 385949), (214, 378735), (321, 252490), (535, 151494), (642, 126245), (749, 108210), (1070, 75747), (1498, 54105), (1605, 50498), (2247, 36070), (3210, 25249), (3607, 22470), (3745, 21642), (4494, 18035), (7214, 11235), (7490, 10821)]このpageの処理時間: 0.012882471084594727 seconds