About the Number

138728970

138728969 ← → 138728971

2進数表記:1000010001001101011000001010

漢数字表記:一億三千八百七十二万八千九百七十

素因数分解:

2 1 × 3 3 × 5 1 × 113 1 × 4547 1

素因数の和:4676
約数の個数: 64
約数和(自身を含む): 373299840
約数和(自身を除く): 234570870

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 113, 135, 226, 270, 339, 565, 678, 1017, 1130, 1695, 2034, 3051, 3390, 4547, 5085, 6102, 9094, 10170, 13641, 15255, 22735, 27282, 30510, 40923, 45470, 68205, 81846, 122769, 136410, 204615, 245538, 409230, 513811, 613845, 1027622, 1227690, 1541433, 2569055, 3082866, 4624299, 5138110, 7707165, 9248598, 13872897, 15414330, 23121495, 27745794, 46242990, 69364485, 138728970]

約数ペア:
[(1, 138728970), (2, 69364485), (3, 46242990), (5, 27745794), (6, 23121495), (9, 15414330), (10, 13872897), (15, 9248598), (18, 7707165), (27, 5138110), (30, 4624299), (45, 3082866), (54, 2569055), (90, 1541433), (113, 1227690), (135, 1027622), (226, 613845), (270, 513811), (339, 409230), (565, 245538), (678, 204615), (1017, 136410), (1130, 122769), (1695, 81846), (2034, 68205), (3051, 45470), (3390, 40923), (4547, 30510), (5085, 27282), (6102, 22735), (9094, 15255), (10170, 13641)]

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