About the Number

388907729330

388907729329 ← → 388907729331

2進数表記:101101010001100101101010000000110110010

漢数字表記:三千八百八十九億七百七十二万九千三百三十

素因数分解:

2 1 × 5 1 × 23 1 × 1690903171 1

素因数の和:1690903201
約数の個数: 16
約数和(自身を含む): 730470170304
約数和(自身を除く): 341562440974

約数列:
[1, 2, 5, 10, 23, 46, 115, 230, 1690903171, 3381806342, 8454515855, 16909031710, 38890772933, 77781545866, 194453864665, 388907729330]

約数ペア:
[(1, 388907729330), (2, 194453864665), (5, 77781545866), (10, 38890772933), (23, 16909031710), (46, 8454515855), (115, 3381806342), (230, 1690903171)]

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