About the Number

172655980

172655979 ← → 172655981

2進数表記:1010010010101000010101101100

漢数字表記:一億七千二百六十五万五千九百八十

素因数分解:

2 2 × 5 1 × 7 1 × 53 1 × 23269 1

素因数の和:23338
約数の個数: 48
約数和(自身を含む): 422210880
約数和(自身を除く): 249554900

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 23269, 46538, 93076, 116345, 162883, 232690, 325766, 465380, 651532, 814415, 1233257, 1628830, 2466514, 3257660, 4933028, 6166285, 8632799, 12332570, 17265598, 24665140, 34531196, 43163995, 86327990, 172655980]

約数ペア:
[(1, 172655980), (2, 86327990), (4, 43163995), (5, 34531196), (7, 24665140), (10, 17265598), (14, 12332570), (20, 8632799), (28, 6166285), (35, 4933028), (53, 3257660), (70, 2466514), (106, 1628830), (140, 1233257), (212, 814415), (265, 651532), (371, 465380), (530, 325766), (742, 232690), (1060, 162883), (1484, 116345), (1855, 93076), (3710, 46538), (7420, 23269)]

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