About the Number

201991450

201991449 ← → 201991451

2進数表記:1100000010100010010100011010

漢数字表記:二億百九十九万千四百五十

素因数分解:

2 1 × 5 2 × 17 1 × 71 1 × 3347 1

素因数の和:3447
約数の個数: 48
約数和(自身を含む): 403527744
約数和(自身を除く): 201536294

約数列:
[1, 2, 5, 10, 17, 25, 34, 50, 71, 85, 142, 170, 355, 425, 710, 850, 1207, 1775, 2414, 3347, 3550, 6035, 6694, 12070, 16735, 30175, 33470, 56899, 60350, 83675, 113798, 167350, 237637, 284495, 475274, 568990, 1188185, 1422475, 2376370, 2844950, 4039829, 5940925, 8079658, 11881850, 20199145, 40398290, 100995725, 201991450]

約数ペア:
[(1, 201991450), (2, 100995725), (5, 40398290), (10, 20199145), (17, 11881850), (25, 8079658), (34, 5940925), (50, 4039829), (71, 2844950), (85, 2376370), (142, 1422475), (170, 1188185), (355, 568990), (425, 475274), (710, 284495), (850, 237637), (1207, 167350), (1775, 113798), (2414, 83675), (3347, 60350), (3550, 56899), (6035, 33470), (6694, 30175), (12070, 16735)]

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