About the Number

26902980

26902979 ← → 26902981

2進数表記:1100110101000000111000100

漢数字表記:二千六百九十万二千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 13 1 × 11497 1

素因数の和:11525
約数の個数: 72
約数和(自身を含む): 87890712
約数和(自身を除く): 60987732

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 11497, 22994, 34491, 45988, 57485, 68982, 103473, 114970, 137964, 149461, 172455, 206946, 229940, 298922, 344910, 413892, 448383, 517365, 597844, 689820, 747305, 896766, 1034730, 1345149, 1494610, 1793532, 2069460, 2241915, 2690298, 2989220, 4483830, 5380596, 6725745, 8967660, 13451490, 26902980]

約数ペア:
[(1, 26902980), (2, 13451490), (3, 8967660), (4, 6725745), (5, 5380596), (6, 4483830), (9, 2989220), (10, 2690298), (12, 2241915), (13, 2069460), (15, 1793532), (18, 1494610), (20, 1345149), (26, 1034730), (30, 896766), (36, 747305), (39, 689820), (45, 597844), (52, 517365), (60, 448383), (65, 413892), (78, 344910), (90, 298922), (117, 229940), (130, 206946), (156, 172455), (180, 149461), (195, 137964), (234, 114970), (260, 103473), (390, 68982), (468, 57485), (585, 45988), (780, 34491), (1170, 22994), (2340, 11497)]

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