About the Number

268885890

268885889 ← → 268885891

2進数表記:10000000001101101111110000010

漢数字表記:二億六千八百八十八万五千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 13 1 × 32831 1

素因数の和:32864
約数の個数: 96
約数和(自身を含む): 860461056
約数和(自身を除く): 591575166

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 32831, 65662, 98493, 164155, 196986, 229817, 295479, 328310, 426803, 459634, 492465, 590958, 689451, 853606, 984930, 1149085, 1280409, 1378902, 1477395, 2068353, 2134015, 2298170, 2560818, 2954790, 2987621, 3447255, 3841227, 4136706, 4268030, 5975242, 6402045, 6894510, 7682454, 8962863, 10341765, 12804090, 14938105, 17925726, 19206135, 20683530, 26888589, 29876210, 38412270, 44814315, 53777178, 89628630, 134442945, 268885890]

約数ペア:
[(1, 268885890), (2, 134442945), (3, 89628630), (5, 53777178), (6, 44814315), (7, 38412270), (9, 29876210), (10, 26888589), (13, 20683530), (14, 19206135), (15, 17925726), (18, 14938105), (21, 12804090), (26, 10341765), (30, 8962863), (35, 7682454), (39, 6894510), (42, 6402045), (45, 5975242), (63, 4268030), (65, 4136706), (70, 3841227), (78, 3447255), (90, 2987621), (91, 2954790), (105, 2560818), (117, 2298170), (126, 2134015), (130, 2068353), (182, 1477395), (195, 1378902), (210, 1280409), (234, 1149085), (273, 984930), (315, 853606), (390, 689451), (455, 590958), (546, 492465), (585, 459634), (630, 426803), (819, 328310), (910, 295479), (1170, 229817), (1365, 196986), (1638, 164155), (2730, 98493), (4095, 65662), (8190, 32831)]

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