About the Number

2755142780

2755142779 ← → 2755142781

2進数表記:10100100001110000010010001111100

漢数字表記:二十七億五千五百十四万二千七百八十

素因数分解:

2 2 × 5 1 × 13 2 × 311 1 × 2621 1

素因数の和:2967
約数の個数: 72
約数和(自身を含む): 6287639904
約数和(自身を除く): 3532497124

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 311, 338, 622, 676, 845, 1244, 1555, 1690, 2621, 3110, 3380, 4043, 5242, 6220, 8086, 10484, 13105, 16172, 20215, 26210, 34073, 40430, 52420, 52559, 68146, 80860, 105118, 136292, 170365, 210236, 262795, 340730, 442949, 525590, 681460, 815131, 885898, 1051180, 1630262, 1771796, 2214745, 3260524, 4075655, 4429490, 8151310, 8858980, 10596703, 16302620, 21193406, 42386812, 52983515, 105967030, 137757139, 211934060, 275514278, 551028556, 688785695, 1377571390, 2755142780]

約数ペア:
[(1, 2755142780), (2, 1377571390), (4, 688785695), (5, 551028556), (10, 275514278), (13, 211934060), (20, 137757139), (26, 105967030), (52, 52983515), (65, 42386812), (130, 21193406), (169, 16302620), (260, 10596703), (311, 8858980), (338, 8151310), (622, 4429490), (676, 4075655), (845, 3260524), (1244, 2214745), (1555, 1771796), (1690, 1630262), (2621, 1051180), (3110, 885898), (3380, 815131), (4043, 681460), (5242, 525590), (6220, 442949), (8086, 340730), (10484, 262795), (13105, 210236), (16172, 170365), (20215, 136292), (26210, 105118), (34073, 80860), (40430, 68146), (52420, 52559)]

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