About the Number

171380

171379 ← → 171381

2進数表記:101001110101110100

漢数字表記:十七万千三百八十

素因数分解:

2 2 × 5 1 × 11 1 × 19 1 × 41 1

素因数の和:80
約数の個数: 48
約数和(自身を含む): 423360
約数和(自身を除く): 251980

約数列:
[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 164, 190, 205, 209, 220, 380, 410, 418, 451, 779, 820, 836, 902, 1045, 1558, 1804, 2090, 2255, 3116, 3895, 4180, 4510, 7790, 8569, 9020, 15580, 17138, 34276, 42845, 85690, 171380]

約数ペア:
[(1, 171380), (2, 85690), (4, 42845), (5, 34276), (10, 17138), (11, 15580), (19, 9020), (20, 8569), (22, 7790), (38, 4510), (41, 4180), (44, 3895), (55, 3116), (76, 2255), (82, 2090), (95, 1804), (110, 1558), (164, 1045), (190, 902), (205, 836), (209, 820), (220, 779), (380, 451), (410, 418)]

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