About the Number

1002397780

1002397779 ← → 1002397781

2進数表記:111011101111110110000001010100

漢数字表記:十億二百三十九万七千七百八十

素因数分解:

2 2 × 5 1 × 2053 1 × 24413 1

素因数の和:26475
約数の個数: 24
約数和(自身を含む): 2106146952
約数和(自身を除く): 1103749172

約数列:
[1, 2, 4, 5, 10, 20, 2053, 4106, 8212, 10265, 20530, 24413, 41060, 48826, 97652, 122065, 244130, 488260, 50119889, 100239778, 200479556, 250599445, 501198890, 1002397780]

約数ペア:
[(1, 1002397780), (2, 501198890), (4, 250599445), (5, 200479556), (10, 100239778), (20, 50119889), (2053, 488260), (4106, 244130), (8212, 122065), (10265, 97652), (20530, 48826), (24413, 41060)]

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