About the Number

201689988

201689987 ← → 201689989

2進数表記:1100000001011000101110000100

漢数字表記:二億百六十八万九千九百八十八

素因数分解:

2 2 × 3 1 × 41 1 × 367 1 × 1117 1

素因数の和:1532
約数の個数: 48
約数和(自身を含む): 483834624
約数和(自身を除く): 282144636

約数列:
[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 367, 492, 734, 1101, 1117, 1468, 2202, 2234, 3351, 4404, 4468, 6702, 13404, 15047, 30094, 45141, 45797, 60188, 90282, 91594, 137391, 180564, 183188, 274782, 409939, 549564, 819878, 1229817, 1639756, 2459634, 4919268, 16807499, 33614998, 50422497, 67229996, 100844994, 201689988]

約数ペア:
[(1, 201689988), (2, 100844994), (3, 67229996), (4, 50422497), (6, 33614998), (12, 16807499), (41, 4919268), (82, 2459634), (123, 1639756), (164, 1229817), (246, 819878), (367, 549564), (492, 409939), (734, 274782), (1101, 183188), (1117, 180564), (1468, 137391), (2202, 91594), (2234, 90282), (3351, 60188), (4404, 45797), (4468, 45141), (6702, 30094), (13404, 15047)]

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