About the Number

3921680

3921679 ← → 3921681

2進数表記:1110111101011100010000

漢数字表記:三百九十二万千六百八十

素因数分解:

2 4 × 5 1 × 7 1 × 47 1 × 149 1

素因数の和:216
約数の個数: 80
約数和(自身を含む): 10713600
約数和(自身を除く): 6791920

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 149, 188, 235, 280, 298, 329, 376, 470, 560, 596, 658, 745, 752, 940, 1043, 1192, 1316, 1490, 1645, 1880, 2086, 2384, 2632, 2980, 3290, 3760, 4172, 5215, 5264, 5960, 6580, 7003, 8344, 10430, 11920, 13160, 14006, 16688, 20860, 26320, 28012, 35015, 41720, 49021, 56024, 70030, 83440, 98042, 112048, 140060, 196084, 245105, 280120, 392168, 490210, 560240, 784336, 980420, 1960840, 3921680]

約数ペア:
[(1, 3921680), (2, 1960840), (4, 980420), (5, 784336), (7, 560240), (8, 490210), (10, 392168), (14, 280120), (16, 245105), (20, 196084), (28, 140060), (35, 112048), (40, 98042), (47, 83440), (56, 70030), (70, 56024), (80, 49021), (94, 41720), (112, 35015), (140, 28012), (149, 26320), (188, 20860), (235, 16688), (280, 14006), (298, 13160), (329, 11920), (376, 10430), (470, 8344), (560, 7003), (596, 6580), (658, 5960), (745, 5264), (752, 5215), (940, 4172), (1043, 3760), (1192, 3290), (1316, 2980), (1490, 2632), (1645, 2384), (1880, 2086)]

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