About the Number

200505980

200505979 ← → 200505981

2進数表記:1011111100110111101001111100

漢数字表記:二億五十万五千九百八十

素因数分解:

2 2 × 5 1 × 103 1 × 131 1 × 743 1

素因数の和:986
約数の個数: 48
約数和(自身を含む): 428972544
約数和(自身を除く): 228466564

約数列:
[1, 2, 4, 5, 10, 20, 103, 131, 206, 262, 412, 515, 524, 655, 743, 1030, 1310, 1486, 2060, 2620, 2972, 3715, 7430, 13493, 14860, 26986, 53972, 67465, 76529, 97333, 134930, 153058, 194666, 269860, 306116, 382645, 389332, 486665, 765290, 973330, 1530580, 1946660, 10025299, 20050598, 40101196, 50126495, 100252990, 200505980]

約数ペア:
[(1, 200505980), (2, 100252990), (4, 50126495), (5, 40101196), (10, 20050598), (20, 10025299), (103, 1946660), (131, 1530580), (206, 973330), (262, 765290), (412, 486665), (515, 389332), (524, 382645), (655, 306116), (743, 269860), (1030, 194666), (1310, 153058), (1486, 134930), (2060, 97333), (2620, 76529), (2972, 67465), (3715, 53972), (7430, 26986), (13493, 14860)]

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