About the Number

129240840

129240839 ← → 129240841

2進数表記:111101101000000111100001000

漢数字表記:一億二千九百二十四万八百四十

素因数分解:

2 3 × 3 1 × 5 1 × 79 1 × 13633 1

素因数の和:13726
約数の個数: 64
約数和(自身を含む): 392659200
約数和(自身を除く): 263418360

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 13633, 27266, 40899, 54532, 68165, 81798, 109064, 136330, 163596, 204495, 272660, 327192, 408990, 545320, 817980, 1077007, 1635960, 2154014, 3231021, 4308028, 5385035, 6462042, 8616056, 10770070, 12924084, 16155105, 21540140, 25848168, 32310210, 43080280, 64620420, 129240840]

約数ペア:
[(1, 129240840), (2, 64620420), (3, 43080280), (4, 32310210), (5, 25848168), (6, 21540140), (8, 16155105), (10, 12924084), (12, 10770070), (15, 8616056), (20, 6462042), (24, 5385035), (30, 4308028), (40, 3231021), (60, 2154014), (79, 1635960), (120, 1077007), (158, 817980), (237, 545320), (316, 408990), (395, 327192), (474, 272660), (632, 204495), (790, 163596), (948, 136330), (1185, 109064), (1580, 81798), (1896, 68165), (2370, 54532), (3160, 40899), (4740, 27266), (9480, 13633)]

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