About the Number

129470928

129470927 ← → 129470929

2進数表記:111101101111001000111010000

漢数字表記:一億二千九百四十七万九百二十八

素因数分解:

2 4 × 3 1 × 461 1 × 5851 1

素因数の和:6323
約数の個数: 40
約数和(自身を含む): 335249376
約数和(自身を除く): 205778448

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 461, 922, 1383, 1844, 2766, 3688, 5532, 5851, 7376, 11064, 11702, 17553, 22128, 23404, 35106, 46808, 70212, 93616, 140424, 280848, 2697311, 5394622, 8091933, 10789244, 16183866, 21578488, 32367732, 43156976, 64735464, 129470928]

約数ペア:
[(1, 129470928), (2, 64735464), (3, 43156976), (4, 32367732), (6, 21578488), (8, 16183866), (12, 10789244), (16, 8091933), (24, 5394622), (48, 2697311), (461, 280848), (922, 140424), (1383, 93616), (1844, 70212), (2766, 46808), (3688, 35106), (5532, 23404), (5851, 22128), (7376, 17553), (11064, 11702)]

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