About the Number

289809930

289809929 ← → 289809931

2進数表記:10001010001100010011000001010

漢数字表記:二億八千九百八十万九千九百三十

素因数分解:

2 1 × 3 1 × 5 1 × 71 1 × 359 1 × 379 1

素因数の和:819
約数の個数: 64
約数和(自身を含む): 709171200
約数和(自身を除く): 419361270

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 359, 379, 426, 710, 718, 758, 1065, 1077, 1137, 1795, 1895, 2130, 2154, 2274, 3590, 3790, 5385, 5685, 10770, 11370, 25489, 26909, 50978, 53818, 76467, 80727, 127445, 134545, 136061, 152934, 161454, 254890, 269090, 272122, 382335, 403635, 408183, 680305, 764670, 807270, 816366, 1360610, 2040915, 4081830, 9660331, 19320662, 28980993, 48301655, 57961986, 96603310, 144904965, 289809930]

約数ペア:
[(1, 289809930), (2, 144904965), (3, 96603310), (5, 57961986), (6, 48301655), (10, 28980993), (15, 19320662), (30, 9660331), (71, 4081830), (142, 2040915), (213, 1360610), (355, 816366), (359, 807270), (379, 764670), (426, 680305), (710, 408183), (718, 403635), (758, 382335), (1065, 272122), (1077, 269090), (1137, 254890), (1795, 161454), (1895, 152934), (2130, 136061), (2154, 134545), (2274, 127445), (3590, 80727), (3790, 76467), (5385, 53818), (5685, 50978), (10770, 26909), (11370, 25489)]

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