About the Number

168041390

168041389 ← → 168041391

2進数表記:1010000001000001101110101110

漢数字表記:一億六千八百四万千三百九十

素因数分解:

2 1 × 5 1 × 11 1 × 31 1 × 49279 1

素因数の和:49328
約数の個数: 32
約数和(自身を含む): 340623360
約数和(自身を除く): 172581970

約数列:
[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 49279, 98558, 246395, 492790, 542069, 1084138, 1527649, 2710345, 3055298, 5420690, 7638245, 15276490, 16804139, 33608278, 84020695, 168041390]

約数ペア:
[(1, 168041390), (2, 84020695), (5, 33608278), (10, 16804139), (11, 15276490), (22, 7638245), (31, 5420690), (55, 3055298), (62, 2710345), (110, 1527649), (155, 1084138), (310, 542069), (341, 492790), (682, 246395), (1705, 98558), (3410, 49279)]

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