About the Number

27997980

27997979 ← → 27997981

2進数表記:1101010110011011100011100

漢数字表記:二千七百九十九万七千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 17 1 × 27449 1

素因数の和:27478
約数の個数: 48
約数和(自身を含む): 83008800
約数和(自身を除く): 55010820

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 27449, 54898, 82347, 109796, 137245, 164694, 274490, 329388, 411735, 466633, 548980, 823470, 933266, 1399899, 1646940, 1866532, 2333165, 2799798, 4666330, 5599596, 6999495, 9332660, 13998990, 27997980]

約数ペア:
[(1, 27997980), (2, 13998990), (3, 9332660), (4, 6999495), (5, 5599596), (6, 4666330), (10, 2799798), (12, 2333165), (15, 1866532), (17, 1646940), (20, 1399899), (30, 933266), (34, 823470), (51, 548980), (60, 466633), (68, 411735), (85, 329388), (102, 274490), (170, 164694), (204, 137245), (255, 109796), (340, 82347), (510, 54898), (1020, 27449)]

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