About the Number

1220742008

1220742007 ← → 1220742009

2進数表記:1001000110000110000101101111000

漢数字表記:十二億二千七十四万二千八

素因数分解:

2 3 × 29 1 × 283 1 × 18593 1

素因数の和:18911
約数の個数: 32
約数和(自身を含む): 2376313200
約数和(自身を除く): 1155571192

約数列:
[1, 2, 4, 8, 29, 58, 116, 232, 283, 566, 1132, 2264, 8207, 16414, 18593, 32828, 37186, 65656, 74372, 148744, 539197, 1078394, 2156788, 4313576, 5261819, 10523638, 21047276, 42094552, 152592751, 305185502, 610371004, 1220742008]

約数ペア:
[(1, 1220742008), (2, 610371004), (4, 305185502), (8, 152592751), (29, 42094552), (58, 21047276), (116, 10523638), (232, 5261819), (283, 4313576), (566, 2156788), (1132, 1078394), (2264, 539197), (8207, 148744), (16414, 74372), (18593, 65656), (32828, 37186)]

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