About the Number

1229121256

1229121255 ← → 1229121257

2進数表記:1001001010000101110011011101000

漢数字表記:十二億二千九百十二万千二百五十六

素因数分解:

2 3 × 11 1 × 137 1 × 269 1 × 379 1

素因数の和:802
約数の個数: 64
約数和(自身を含む): 2548584000
約数和(自身を除く): 1319462744

約数列:
[1, 2, 4, 8, 11, 22, 44, 88, 137, 269, 274, 379, 538, 548, 758, 1076, 1096, 1507, 1516, 2152, 2959, 3014, 3032, 4169, 5918, 6028, 8338, 11836, 12056, 16676, 23672, 33352, 36853, 51923, 73706, 101951, 103846, 147412, 203902, 207692, 294824, 405383, 407804, 415384, 571153, 810766, 815608, 1121461, 1142306, 1621532, 2242922, 2284612, 3243064, 4485844, 4569224, 8971688, 13967287, 27934574, 55869148, 111738296, 153640157, 307280314, 614560628, 1229121256]

約数ペア:
[(1, 1229121256), (2, 614560628), (4, 307280314), (8, 153640157), (11, 111738296), (22, 55869148), (44, 27934574), (88, 13967287), (137, 8971688), (269, 4569224), (274, 4485844), (379, 3243064), (538, 2284612), (548, 2242922), (758, 1621532), (1076, 1142306), (1096, 1121461), (1507, 815608), (1516, 810766), (2152, 571153), (2959, 415384), (3014, 407804), (3032, 405383), (4169, 294824), (5918, 207692), (6028, 203902), (8338, 147412), (11836, 103846), (12056, 101951), (16676, 73706), (23672, 51923), (33352, 36853)]

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