About the Number

121800930

121800929 ← → 121800931

2進数表記:111010000101000100011100010

漢数字表記:一億二千百八十万九百三十

素因数分解:

2 1 × 3 1 × 5 1 × 1951 1 × 2081 1

素因数の和:4042
約数の個数: 32
約数和(自身を含む): 292612608
約数和(自身を除く): 170811678

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 1951, 2081, 3902, 4162, 5853, 6243, 9755, 10405, 11706, 12486, 19510, 20810, 29265, 31215, 58530, 62430, 4060031, 8120062, 12180093, 20300155, 24360186, 40600310, 60900465, 121800930]

約数ペア:
[(1, 121800930), (2, 60900465), (3, 40600310), (5, 24360186), (6, 20300155), (10, 12180093), (15, 8120062), (30, 4060031), (1951, 62430), (2081, 58530), (3902, 31215), (4162, 29265), (5853, 20810), (6243, 19510), (9755, 12486), (10405, 11706)]

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