About the Number

129884090

129884089 ← → 129884091

2進数表記:111101111011101111110111010

漢数字表記:一億二千九百八十八万四千九十

素因数分解:

2 1 × 5 1 × 7 1 × 107 1 × 17341 1

素因数の和:17462
約数の個数: 32
約数和(自身を含む): 269702784
約数和(自身を除く): 139818694

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 17341, 34682, 86705, 121387, 173410, 242774, 606935, 1213870, 1855487, 3710974, 9277435, 12988409, 18554870, 25976818, 64942045, 129884090]

約数ペア:
[(1, 129884090), (2, 64942045), (5, 25976818), (7, 18554870), (10, 12988409), (14, 9277435), (35, 3710974), (70, 1855487), (107, 1213870), (214, 606935), (535, 242774), (749, 173410), (1070, 121387), (1498, 86705), (3745, 34682), (7490, 17341)]

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