About the Number

74220380

74220379 ← → 74220381

2進数表記:100011011001000001101011100

漢数字表記:七千四百二十二万三百八十

素因数分解:

2 2 × 5 1 × 13 1 × 285463 1

素因数の和:285485
約数の個数: 24
約数和(自身を含む): 167852832
約数和(自身を除く): 93632452

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 285463, 570926, 1141852, 1427315, 2854630, 3711019, 5709260, 7422038, 14844076, 18555095, 37110190, 74220380]

約数ペア:
[(1, 74220380), (2, 37110190), (4, 18555095), (5, 14844076), (10, 7422038), (13, 5709260), (20, 3711019), (26, 2854630), (52, 1427315), (65, 1141852), (130, 570926), (260, 285463)]

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