About the Number

120931290

120931289 ← → 120931291

2進数表記:111001101010100001111011010

漢数字表記:一億二千九十三万千二百九十

素因数分解:

2 1 × 3 2 × 5 1 × 1343681 1

素因数の和:1343694
約数の個数: 24
約数和(自身を含む): 314421588
約数和(自身を除く): 193490298

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1343681, 2687362, 4031043, 6718405, 8062086, 12093129, 13436810, 20155215, 24186258, 40310430, 60465645, 120931290]

約数ペア:
[(1, 120931290), (2, 60465645), (3, 40310430), (5, 24186258), (6, 20155215), (9, 13436810), (10, 12093129), (15, 8062086), (18, 6718405), (30, 4031043), (45, 2687362), (90, 1343681)]

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