About the Number

42705840

42705839 ← → 42705841

2進数表記:10100010111010001110110000

漢数字表記:四千二百七十万五千八百四十

素因数分解:

2 4 × 3 1 × 5 1 × 107 1 × 1663 1

素因数の和:1786
約数の個数: 80
約数和(自身を含む): 133705728
約数和(自身を除く): 90999888

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1663, 1712, 2140, 2568, 3210, 3326, 4280, 4989, 5136, 6420, 6652, 8315, 8560, 9978, 12840, 13304, 16630, 19956, 24945, 25680, 26608, 33260, 39912, 49890, 66520, 79824, 99780, 133040, 177941, 199560, 355882, 399120, 533823, 711764, 889705, 1067646, 1423528, 1779410, 2135292, 2669115, 2847056, 3558820, 4270584, 5338230, 7117640, 8541168, 10676460, 14235280, 21352920, 42705840]

約数ペア:
[(1, 42705840), (2, 21352920), (3, 14235280), (4, 10676460), (5, 8541168), (6, 7117640), (8, 5338230), (10, 4270584), (12, 3558820), (15, 2847056), (16, 2669115), (20, 2135292), (24, 1779410), (30, 1423528), (40, 1067646), (48, 889705), (60, 711764), (80, 533823), (107, 399120), (120, 355882), (214, 199560), (240, 177941), (321, 133040), (428, 99780), (535, 79824), (642, 66520), (856, 49890), (1070, 39912), (1284, 33260), (1605, 26608), (1663, 25680), (1712, 24945), (2140, 19956), (2568, 16630), (3210, 13304), (3326, 12840), (4280, 9978), (4989, 8560), (5136, 8315), (6420, 6652)]

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