About the Number

129139440

129139439 ← → 129139441

2進数表記:111101100101000001011110000

漢数字表記:一億二千九百十三万九千四百四十

素因数分解:

2 4 × 3 1 × 5 1 × 61 1 × 8821 1

素因数の和:8898
約数の個数: 80
約数和(自身を含む): 406941216
約数和(自身を除く): 277801776

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 8821, 14640, 17642, 26463, 35284, 44105, 52926, 70568, 88210, 105852, 132315, 141136, 176420, 211704, 264630, 352840, 423408, 529260, 538081, 705680, 1058520, 1076162, 1614243, 2117040, 2152324, 2690405, 3228486, 4304648, 5380810, 6456972, 8071215, 8609296, 10761620, 12913944, 16142430, 21523240, 25827888, 32284860, 43046480, 64569720, 129139440]

約数ペア:
[(1, 129139440), (2, 64569720), (3, 43046480), (4, 32284860), (5, 25827888), (6, 21523240), (8, 16142430), (10, 12913944), (12, 10761620), (15, 8609296), (16, 8071215), (20, 6456972), (24, 5380810), (30, 4304648), (40, 3228486), (48, 2690405), (60, 2152324), (61, 2117040), (80, 1614243), (120, 1076162), (122, 1058520), (183, 705680), (240, 538081), (244, 529260), (305, 423408), (366, 352840), (488, 264630), (610, 211704), (732, 176420), (915, 141136), (976, 132315), (1220, 105852), (1464, 88210), (1830, 70568), (2440, 52926), (2928, 44105), (3660, 35284), (4880, 26463), (7320, 17642), (8821, 14640)]

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