About the Number

129100272

129100271 ← → 129100273

2進数表記:111101100011110100111110000

漢数字表記:一億二千九百十万二百七十二

素因数分解:

2 4 × 3 1 × 7 1 × 384227 1

素因数の和:384245
約数の個数: 40
約数和(自身を含む): 381154176
約数和(自身を除く): 252053904

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 384227, 768454, 1152681, 1536908, 2305362, 2689589, 3073816, 4610724, 5379178, 6147632, 8068767, 9221448, 10758356, 16137534, 18442896, 21516712, 32275068, 43033424, 64550136, 129100272]

約数ペア:
[(1, 129100272), (2, 64550136), (3, 43033424), (4, 32275068), (6, 21516712), (7, 18442896), (8, 16137534), (12, 10758356), (14, 9221448), (16, 8068767), (21, 6147632), (24, 5379178), (28, 4610724), (42, 3073816), (48, 2689589), (56, 2305362), (84, 1536908), (112, 1152681), (168, 768454), (336, 384227)]

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