About the Number

28998790

28998789 ← → 28998791

2進数表記:1101110100111110010000110

漢数字表記:二千八百九十九万八千七百九十

素因数分解:

2 1 × 5 1 × 61 1 × 137 1 × 347 1

素因数の和:552
約数の個数: 32
約数和(自身を含む): 53594784
約数和(自身を除く): 24595994

約数列:
[1, 2, 5, 10, 61, 122, 137, 274, 305, 347, 610, 685, 694, 1370, 1735, 3470, 8357, 16714, 21167, 41785, 42334, 47539, 83570, 95078, 105835, 211670, 237695, 475390, 2899879, 5799758, 14499395, 28998790]

約数ペア:
[(1, 28998790), (2, 14499395), (5, 5799758), (10, 2899879), (61, 475390), (122, 237695), (137, 211670), (274, 105835), (305, 95078), (347, 83570), (610, 47539), (685, 42334), (694, 41785), (1370, 21167), (1735, 16714), (3470, 8357)]

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