About the Number

2990720

2990719 ← → 2990721

2進数表記:1011011010001010000000

漢数字表記:二百九十九万七百二十

素因数分解:

2 7 × 5 1 × 4673 1

素因数の和:4692
約数の個数: 32
約数和(自身を含む): 7151220
約数和(自身を除く): 4160500

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4673, 9346, 18692, 23365, 37384, 46730, 74768, 93460, 149536, 186920, 299072, 373840, 598144, 747680, 1495360, 2990720]

約数ペア:
[(1, 2990720), (2, 1495360), (4, 747680), (5, 598144), (8, 373840), (10, 299072), (16, 186920), (20, 149536), (32, 93460), (40, 74768), (64, 46730), (80, 37384), (128, 23365), (160, 18692), (320, 9346), (640, 4673)]

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