About the Number

138505440

138505439 ← → 138505441

2進数表記:1000010000010110110011100000

漢数字表記:一億三千八百五十万五千四百四十

素因数分解:

2 5 × 3 1 × 5 1 × 19 1 × 15187 1

素因数の和:15224
約数の個数: 96
約数和(自身を含む): 459285120
約数和(自身を除く): 320779680

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 9120, 15187, 30374, 45561, 60748, 75935, 91122, 121496, 151870, 182244, 227805, 242992, 288553, 303740, 364488, 455610, 485984, 577106, 607480, 728976, 865659, 911220, 1154212, 1214960, 1442765, 1457952, 1731318, 1822440, 2308424, 2429920, 2885530, 3462636, 3644880, 4328295, 4616848, 5771060, 6925272, 7289760, 8656590, 9233696, 11542120, 13850544, 17313180, 23084240, 27701088, 34626360, 46168480, 69252720, 138505440]

約数ペア:
[(1, 138505440), (2, 69252720), (3, 46168480), (4, 34626360), (5, 27701088), (6, 23084240), (8, 17313180), (10, 13850544), (12, 11542120), (15, 9233696), (16, 8656590), (19, 7289760), (20, 6925272), (24, 5771060), (30, 4616848), (32, 4328295), (38, 3644880), (40, 3462636), (48, 2885530), (57, 2429920), (60, 2308424), (76, 1822440), (80, 1731318), (95, 1457952), (96, 1442765), (114, 1214960), (120, 1154212), (152, 911220), (160, 865659), (190, 728976), (228, 607480), (240, 577106), (285, 485984), (304, 455610), (380, 364488), (456, 303740), (480, 288553), (570, 242992), (608, 227805), (760, 182244), (912, 151870), (1140, 121496), (1520, 91122), (1824, 75935), (2280, 60748), (3040, 45561), (4560, 30374), (9120, 15187)]

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