About the Number

70290640

70290639 ← → 70290641

2進数表記:100001100001000110011010000

漢数字表記:七千二十九万六百四十

素因数分解:

2 4 × 5 1 × 7 1 × 31 1 × 4049 1

素因数の和:4100
約数の個数: 80
約数和(自身を含む): 192844800
約数和(自身を除く): 122554160

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4049, 4340, 8098, 8680, 16196, 17360, 20245, 28343, 32392, 40490, 56686, 64784, 80980, 113372, 125519, 141715, 161960, 226744, 251038, 283430, 323920, 453488, 502076, 566860, 627595, 878633, 1004152, 1133720, 1255190, 1757266, 2008304, 2267440, 2510380, 3514532, 4393165, 5020760, 7029064, 8786330, 10041520, 14058128, 17572660, 35145320, 70290640]

約数ペア:
[(1, 70290640), (2, 35145320), (4, 17572660), (5, 14058128), (7, 10041520), (8, 8786330), (10, 7029064), (14, 5020760), (16, 4393165), (20, 3514532), (28, 2510380), (31, 2267440), (35, 2008304), (40, 1757266), (56, 1255190), (62, 1133720), (70, 1004152), (80, 878633), (112, 627595), (124, 566860), (140, 502076), (155, 453488), (217, 323920), (248, 283430), (280, 251038), (310, 226744), (434, 161960), (496, 141715), (560, 125519), (620, 113372), (868, 80980), (1085, 64784), (1240, 56686), (1736, 40490), (2170, 32392), (2480, 28343), (3472, 20245), (4049, 17360), (4340, 16196), (8098, 8680)]

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