About the Number

129574290

129574289 ← → 129574291

2進数表記:111101110010010010110010010

漢数字表記:一億二千九百五十七万四千二百九十

素因数分解:

2 1 × 3 1 × 5 1 × 71 1 × 127 1 × 479 1

素因数の和:687
約数の個数: 64
約数和(自身を含む): 318504960
約数和(自身を除く): 188930670

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 71, 127, 142, 213, 254, 355, 381, 426, 479, 635, 710, 762, 958, 1065, 1270, 1437, 1905, 2130, 2395, 2874, 3810, 4790, 7185, 9017, 14370, 18034, 27051, 34009, 45085, 54102, 60833, 68018, 90170, 102027, 121666, 135255, 170045, 182499, 204054, 270510, 304165, 340090, 364998, 510135, 608330, 912495, 1020270, 1824990, 4319143, 8638286, 12957429, 21595715, 25914858, 43191430, 64787145, 129574290]

約数ペア:
[(1, 129574290), (2, 64787145), (3, 43191430), (5, 25914858), (6, 21595715), (10, 12957429), (15, 8638286), (30, 4319143), (71, 1824990), (127, 1020270), (142, 912495), (213, 608330), (254, 510135), (355, 364998), (381, 340090), (426, 304165), (479, 270510), (635, 204054), (710, 182499), (762, 170045), (958, 135255), (1065, 121666), (1270, 102027), (1437, 90170), (1905, 68018), (2130, 60833), (2395, 54102), (2874, 45085), (3810, 34009), (4790, 27051), (7185, 18034), (9017, 14370)]

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