About the Number

121494490

121494489 ← → 121494491

2進数表記:111001111011101101111011010

漢数字表記:一億二千百四十九万四千四百九十

素因数分解:

2 1 × 5 1 × 13 1 × 71 1 × 13163 1

素因数の和:13254
約数の個数: 32
約数和(自身を含む): 238847616
約数和(自身を除く): 117353126

約数列:
[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 13163, 26326, 65815, 131630, 171119, 342238, 855595, 934573, 1711190, 1869146, 4672865, 9345730, 12149449, 24298898, 60747245, 121494490]

約数ペア:
[(1, 121494490), (2, 60747245), (5, 24298898), (10, 12149449), (13, 9345730), (26, 4672865), (65, 1869146), (71, 1711190), (130, 934573), (142, 855595), (355, 342238), (710, 171119), (923, 131630), (1846, 65815), (4615, 26326), (9230, 13163)]

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