About the Number

128338980

128338979 ← → 128338981

2進数表記:111101001100100110000100100

漢数字表記:一億二千八百三十三万八千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 11 1 × 27779 1

素因数の和:27809
約数の個数: 96
約数和(自身を含む): 448035840
約数和(自身を除く): 319696860

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 27779, 55558, 83337, 111116, 138895, 166674, 194453, 277790, 305569, 333348, 388906, 416685, 555580, 583359, 611138, 777812, 833370, 916707, 972265, 1166718, 1222276, 1527845, 1666740, 1833414, 1944530, 2138983, 2333436, 2916795, 3055690, 3666828, 3889060, 4277966, 4583535, 5833590, 6111380, 6416949, 8555932, 9167070, 10694915, 11667180, 12833898, 18334140, 21389830, 25667796, 32084745, 42779660, 64169490, 128338980]

約数ペア:
[(1, 128338980), (2, 64169490), (3, 42779660), (4, 32084745), (5, 25667796), (6, 21389830), (7, 18334140), (10, 12833898), (11, 11667180), (12, 10694915), (14, 9167070), (15, 8555932), (20, 6416949), (21, 6111380), (22, 5833590), (28, 4583535), (30, 4277966), (33, 3889060), (35, 3666828), (42, 3055690), (44, 2916795), (55, 2333436), (60, 2138983), (66, 1944530), (70, 1833414), (77, 1666740), (84, 1527845), (105, 1222276), (110, 1166718), (132, 972265), (140, 916707), (154, 833370), (165, 777812), (210, 611138), (220, 583359), (231, 555580), (308, 416685), (330, 388906), (385, 333348), (420, 305569), (462, 277790), (660, 194453), (770, 166674), (924, 138895), (1155, 111116), (1540, 83337), (2310, 55558), (4620, 27779)]

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