About the Number

42291990

42291989 ← → 42291991

2進数表記:10100001010101001100010110

漢数字表記:四千二百二十九万千九百九十

素因数分解:

2 1 × 3 3 × 5 1 × 13 1 × 12049 1

素因数の和:12078
約数の個数: 64
約数和(自身を含む): 121464000
約数和(自身を除く): 79172010

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 12049, 24098, 36147, 60245, 72294, 108441, 120490, 156637, 180735, 216882, 313274, 325323, 361470, 469911, 542205, 650646, 783185, 939822, 1084410, 1409733, 1566370, 1626615, 2349555, 2819466, 3253230, 4229199, 4699110, 7048665, 8458398, 14097330, 21145995, 42291990]

約数ペア:
[(1, 42291990), (2, 21145995), (3, 14097330), (5, 8458398), (6, 7048665), (9, 4699110), (10, 4229199), (13, 3253230), (15, 2819466), (18, 2349555), (26, 1626615), (27, 1566370), (30, 1409733), (39, 1084410), (45, 939822), (54, 783185), (65, 650646), (78, 542205), (90, 469911), (117, 361470), (130, 325323), (135, 313274), (195, 216882), (234, 180735), (270, 156637), (351, 120490), (390, 108441), (585, 72294), (702, 60245), (1170, 36147), (1755, 24098), (3510, 12049)]

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