About the Number

247405940

247405939 ← → 247405941

2進数表記:1110101111110001110101110100

漢数字表記:二億四千七百四十万五千九百四十

素因数分解:

2 2 × 5 1 × 23 1 × 211 1 × 2549 1

素因数の和:2792
約数の個数: 48
約数和(自身を含む): 544924800
約数和(自身を除く): 297518860

約数列:
[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 211, 230, 422, 460, 844, 1055, 2110, 2549, 4220, 4853, 5098, 9706, 10196, 12745, 19412, 24265, 25490, 48530, 50980, 58627, 97060, 117254, 234508, 293135, 537839, 586270, 1075678, 1172540, 2151356, 2689195, 5378390, 10756780, 12370297, 24740594, 49481188, 61851485, 123702970, 247405940]

約数ペア:
[(1, 247405940), (2, 123702970), (4, 61851485), (5, 49481188), (10, 24740594), (20, 12370297), (23, 10756780), (46, 5378390), (92, 2689195), (115, 2151356), (211, 1172540), (230, 1075678), (422, 586270), (460, 537839), (844, 293135), (1055, 234508), (2110, 117254), (2549, 97060), (4220, 58627), (4853, 50980), (5098, 48530), (9706, 25490), (10196, 24265), (12745, 19412)]

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