About the Number

120891490

120891489 ← → 120891491

2進数表記:111001101001010100001100010

漢数字表記:一億二千八十九万千四百九十

素因数分解:

2 1 × 5 1 × 19 1 × 43 1 × 14797 1

素因数の和:14866
約数の個数: 32
約数和(自身を含む): 234400320
約数和(自身を除く): 113508830

約数列:
[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 14797, 29594, 73985, 147970, 281143, 562286, 636271, 1272542, 1405715, 2811430, 3181355, 6362710, 12089149, 24178298, 60445745, 120891490]

約数ペア:
[(1, 120891490), (2, 60445745), (5, 24178298), (10, 12089149), (19, 6362710), (38, 3181355), (43, 2811430), (86, 1405715), (95, 1272542), (190, 636271), (215, 562286), (430, 281143), (817, 147970), (1634, 73985), (4085, 29594), (8170, 14797)]

このpageの処理時間: 0.006684780120849609 seconds