About the Number

201490048

201490047 ← → 201490049

2進数表記:1100000000100111111010000000

漢数字表記:二億百四十九万四十八

素因数分解:

2 7 × 71 1 × 22171 1

素因数の和:22256
約数の個数: 32
約数和(自身を含む): 407077920
約数和(自身を除く): 205587872

約数列:
[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 4544, 9088, 22171, 44342, 88684, 177368, 354736, 709472, 1418944, 1574141, 2837888, 3148282, 6296564, 12593128, 25186256, 50372512, 100745024, 201490048]

約数ペア:
[(1, 201490048), (2, 100745024), (4, 50372512), (8, 25186256), (16, 12593128), (32, 6296564), (64, 3148282), (71, 2837888), (128, 1574141), (142, 1418944), (284, 709472), (568, 354736), (1136, 177368), (2272, 88684), (4544, 44342), (9088, 22171)]

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