About the Number

199977190

199977189 ← → 199977191

2進数表記:1011111010110110100011100110

漢数字表記:一億九千九百九十七万七千百九十

素因数分解:

2 1 × 5 1 × 7 1 × 461 1 × 6197 1

素因数の和:6672
約数の個数: 32
約数和(自身を含む): 412340544
約数和(自身を除く): 212363354

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 461, 922, 2305, 3227, 4610, 6197, 6454, 12394, 16135, 30985, 32270, 43379, 61970, 86758, 216895, 433790, 2856817, 5713634, 14284085, 19997719, 28568170, 39995438, 99988595, 199977190]

約数ペア:
[(1, 199977190), (2, 99988595), (5, 39995438), (7, 28568170), (10, 19997719), (14, 14284085), (35, 5713634), (70, 2856817), (461, 433790), (922, 216895), (2305, 86758), (3227, 61970), (4610, 43379), (6197, 32270), (6454, 30985), (12394, 16135)]

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