About the Number

993012780

993012779 ← → 993012781

2進数表記:111011001100000010110000101100

漢数字表記:九億九千三百一万二千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 29 1 × 570697 1

素因数の和:570738
約数の個数: 48
約数和(自身を含む): 2876317920
約数和(自身を除く): 1883305140

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 570697, 1141394, 1712091, 2282788, 2853485, 3424182, 5706970, 6848364, 8560455, 11413940, 16550213, 17120910, 33100426, 34241820, 49650639, 66200852, 82751065, 99301278, 165502130, 198602556, 248253195, 331004260, 496506390, 993012780]

約数ペア:
[(1, 993012780), (2, 496506390), (3, 331004260), (4, 248253195), (5, 198602556), (6, 165502130), (10, 99301278), (12, 82751065), (15, 66200852), (20, 49650639), (29, 34241820), (30, 33100426), (58, 17120910), (60, 16550213), (87, 11413940), (116, 8560455), (145, 6848364), (174, 5706970), (290, 3424182), (348, 2853485), (435, 2282788), (580, 1712091), (870, 1141394), (1740, 570697)]

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