About the Number

71205190

71205189 ← → 71205191

2進数表記:100001111101000000101000110

漢数字表記:七千百二十万五千百九十

素因数分解:

2 1 × 5 1 × 7 1 × 71 1 × 14327 1

素因数の和:14412
約数の個数: 32
約数和(自身を含む): 148552704
約数和(自身を除く): 77347514

約数列:
[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 14327, 28654, 71635, 100289, 143270, 200578, 501445, 1002890, 1017217, 2034434, 5086085, 7120519, 10172170, 14241038, 35602595, 71205190]

約数ペア:
[(1, 71205190), (2, 35602595), (5, 14241038), (7, 10172170), (10, 7120519), (14, 5086085), (35, 2034434), (70, 1017217), (71, 1002890), (142, 501445), (355, 200578), (497, 143270), (710, 100289), (994, 71635), (2485, 28654), (4970, 14327)]

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