About the Number

42809640

42809639 ← → 42809641

2進数表記:10100011010011100100101000

漢数字表記:四千二百八十万九千六百四十

素因数分解:

2 3 × 3 1 × 5 1 × 179 1 × 1993 1

素因数の和:2186
約数の個数: 64
約数和(自身を含む): 129211200
約数和(自身を除く): 86401560

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 179, 358, 537, 716, 895, 1074, 1432, 1790, 1993, 2148, 2685, 3580, 3986, 4296, 5370, 5979, 7160, 7972, 9965, 10740, 11958, 15944, 19930, 21480, 23916, 29895, 39860, 47832, 59790, 79720, 119580, 239160, 356747, 713494, 1070241, 1426988, 1783735, 2140482, 2853976, 3567470, 4280964, 5351205, 7134940, 8561928, 10702410, 14269880, 21404820, 42809640]

約数ペア:
[(1, 42809640), (2, 21404820), (3, 14269880), (4, 10702410), (5, 8561928), (6, 7134940), (8, 5351205), (10, 4280964), (12, 3567470), (15, 2853976), (20, 2140482), (24, 1783735), (30, 1426988), (40, 1070241), (60, 713494), (120, 356747), (179, 239160), (358, 119580), (537, 79720), (716, 59790), (895, 47832), (1074, 39860), (1432, 29895), (1790, 23916), (1993, 21480), (2148, 19930), (2685, 15944), (3580, 11958), (3986, 10740), (4296, 9965), (5370, 7972), (5979, 7160)]

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