About the Number

129487904

129487903 ← → 129487905

2進数表記:111101101111101010000100000

漢数字表記:一億二千九百四十八万七千九百四

素因数分解:

2 5 × 7 1 × 13 1 × 53 1 × 839 1

素因数の和:922
約数の個数: 96
約数和(自身を含む): 320060160
約数和(自身を除く): 190572256

約数列:
[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 53, 56, 91, 104, 106, 112, 182, 208, 212, 224, 364, 371, 416, 424, 689, 728, 742, 839, 848, 1378, 1456, 1484, 1678, 1696, 2756, 2912, 2968, 3356, 4823, 5512, 5873, 5936, 6712, 9646, 10907, 11024, 11746, 11872, 13424, 19292, 21814, 22048, 23492, 26848, 38584, 43628, 44467, 46984, 76349, 77168, 87256, 88934, 93968, 152698, 154336, 174512, 177868, 187936, 305396, 311269, 349024, 355736, 578071, 610792, 622538, 711472, 1156142, 1221584, 1245076, 1422944, 2312284, 2443168, 2490152, 4046497, 4624568, 4980304, 8092994, 9249136, 9960608, 16185988, 18498272, 32371976, 64743952, 129487904]

約数ペア:
[(1, 129487904), (2, 64743952), (4, 32371976), (7, 18498272), (8, 16185988), (13, 9960608), (14, 9249136), (16, 8092994), (26, 4980304), (28, 4624568), (32, 4046497), (52, 2490152), (53, 2443168), (56, 2312284), (91, 1422944), (104, 1245076), (106, 1221584), (112, 1156142), (182, 711472), (208, 622538), (212, 610792), (224, 578071), (364, 355736), (371, 349024), (416, 311269), (424, 305396), (689, 187936), (728, 177868), (742, 174512), (839, 154336), (848, 152698), (1378, 93968), (1456, 88934), (1484, 87256), (1678, 77168), (1696, 76349), (2756, 46984), (2912, 44467), (2968, 43628), (3356, 38584), (4823, 26848), (5512, 23492), (5873, 22048), (5936, 21814), (6712, 19292), (9646, 13424), (10907, 11872), (11024, 11746)]

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