About the Number
123131988
2進数表記:111010101101101100001010100
漢数字表記:一億二千三百十三万千九百八十八
素因数分解:
素因数の和:18123
約数の個数: 72
約数和(自身を含む): 368909632
約数和(自身を除く): 245777644
約数列:
[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 6804, 18097, 36194, 54291, 72388, 108582, 126679, 162873, 217164, 253358, 325746, 380037, 488619, 506716, 651492, 760074, 977238, 1140111, 1465857, 1520148, 1954476, 2280222, 2931714, 3420333, 4397571, 4560444, 5863428, 6840666, 8795142, 10260999, 13681332, 17590284, 20521998, 30782997, 41043996, 61565994, 123131988]
約数ペア:
[(1, 123131988), (2, 61565994), (3, 41043996), (4, 30782997), (6, 20521998), (7, 17590284), (9, 13681332), (12, 10260999), (14, 8795142), (18, 6840666), (21, 5863428), (27, 4560444), (28, 4397571), (36, 3420333), (42, 2931714), (54, 2280222), (63, 1954476), (81, 1520148), (84, 1465857), (108, 1140111), (126, 977238), (162, 760074), (189, 651492), (243, 506716), (252, 488619), (324, 380037), (378, 325746), (486, 253358), (567, 217164), (756, 162873), (972, 126679), (1134, 108582), (1701, 72388), (2268, 54291), (3402, 36194), (6804, 18097)]このpageの処理時間: 0.006345510482788086 seconds