About the Number

129031140

129031139 ← → 129031141

2進数表記:111101100001101101111100100

漢数字表記:一億二千九百三万千百四十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 71 1 × 4327 1

素因数の和:4417
約数の個数: 96
約数和(自身を含む): 418811904
約数和(自身を除く): 289780764

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 852, 994, 1065, 1420, 1491, 1988, 2130, 2485, 2982, 4260, 4327, 4970, 5964, 7455, 8654, 9940, 12981, 14910, 17308, 21635, 25962, 29820, 30289, 43270, 51924, 60578, 64905, 86540, 90867, 121156, 129810, 151445, 181734, 259620, 302890, 307217, 363468, 454335, 605780, 614434, 908670, 921651, 1228868, 1536085, 1817340, 1843302, 2150519, 3072170, 3686604, 4301038, 4608255, 6144340, 6451557, 8602076, 9216510, 10752595, 12903114, 18433020, 21505190, 25806228, 32257785, 43010380, 64515570, 129031140]

約数ペア:
[(1, 129031140), (2, 64515570), (3, 43010380), (4, 32257785), (5, 25806228), (6, 21505190), (7, 18433020), (10, 12903114), (12, 10752595), (14, 9216510), (15, 8602076), (20, 6451557), (21, 6144340), (28, 4608255), (30, 4301038), (35, 3686604), (42, 3072170), (60, 2150519), (70, 1843302), (71, 1817340), (84, 1536085), (105, 1228868), (140, 921651), (142, 908670), (210, 614434), (213, 605780), (284, 454335), (355, 363468), (420, 307217), (426, 302890), (497, 259620), (710, 181734), (852, 151445), (994, 129810), (1065, 121156), (1420, 90867), (1491, 86540), (1988, 64905), (2130, 60578), (2485, 51924), (2982, 43270), (4260, 30289), (4327, 29820), (4970, 25962), (5964, 21635), (7455, 17308), (8654, 14910), (9940, 12981)]

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