About the Number

120781490

120781489 ← → 120781491

2進数表記:111001100101111101010110010

漢数字表記:一億二千七十八万千四百九十

素因数分解:

2 1 × 5 1 × 41 1 × 97 1 × 3037 1

素因数の和:3182
約数の個数: 32
約数和(自身を含む): 225079344
約数和(自身を除く): 104297854

約数列:
[1, 2, 5, 10, 41, 82, 97, 194, 205, 410, 485, 970, 3037, 3977, 6074, 7954, 15185, 19885, 30370, 39770, 124517, 249034, 294589, 589178, 622585, 1245170, 1472945, 2945890, 12078149, 24156298, 60390745, 120781490]

約数ペア:
[(1, 120781490), (2, 60390745), (5, 24156298), (10, 12078149), (41, 2945890), (82, 1472945), (97, 1245170), (194, 622585), (205, 589178), (410, 294589), (485, 249034), (970, 124517), (3037, 39770), (3977, 30370), (6074, 19885), (7954, 15185)]

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