About the Number

201024990

201024989 ← → 201024991

2進数表記:1011111110110110010111011110

漢数字表記:二億百二万四千九百九十

素因数分解:

2 1 × 3 4 × 5 1 × 248179 1

素因数の和:248198
約数の個数: 40
約数和(自身を含む): 540536040
約数和(自身を除く): 339511050

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 248179, 496358, 744537, 1240895, 1489074, 2233611, 2481790, 3722685, 4467222, 6700833, 7445370, 11168055, 13401666, 20102499, 22336110, 33504165, 40204998, 67008330, 100512495, 201024990]

約数ペア:
[(1, 201024990), (2, 100512495), (3, 67008330), (5, 40204998), (6, 33504165), (9, 22336110), (10, 20102499), (15, 13401666), (18, 11168055), (27, 7445370), (30, 6700833), (45, 4467222), (54, 3722685), (81, 2481790), (90, 2233611), (135, 1489074), (162, 1240895), (270, 744537), (405, 496358), (810, 248179)]

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