About the Number

12268490

12268489 ← → 12268491

2進数表記:101110110011001111001010

漢数字表記:千二百二十六万八千四百九十

素因数分解:

2 1 × 5 1 × 13 1 × 19 1 × 4967 1

素因数の和:5006
約数の個数: 32
約数和(自身を含む): 25038720
約数和(自身を除く): 12770230

約数列:
[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 4967, 9934, 24835, 49670, 64571, 94373, 129142, 188746, 322855, 471865, 645710, 943730, 1226849, 2453698, 6134245, 12268490]

約数ペア:
[(1, 12268490), (2, 6134245), (5, 2453698), (10, 1226849), (13, 943730), (19, 645710), (26, 471865), (38, 322855), (65, 188746), (95, 129142), (130, 94373), (190, 64571), (247, 49670), (494, 24835), (1235, 9934), (2470, 4967)]

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