About the Number

121431307140

121431307139 ← → 121431307141

2進数表記:1110001000101110111101011001110000100

漢数字表記:千二百十四億三千百三十万七千百四十

素因数分解:

2 2 × 3 4 × 5 1 × 11 1 × 13 1 × 31 1 × 37 1 × 457 1

素因数の和:570
約数の個数: 960
約数和(自身を含む): 475491760128
約数和(自身を除く): 354060452988

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 31, 33, 36, 37, 39, 44, 45, 52, 54, 55, 60, 62, 65, 66, 74, 78, 81, 90, 93, 99, 108, 110, 111, 117, 124, 130, 132, 135, 143, 148, 155, 156, 162, 165, 180, 185, 186, 195, 198, 220, 222, 234, 260, 270, 279, 286, 297, 310, 324, 330, 333, 341, 351, 370, 372, 390, 396, 403, 405, 407, 429, 444, 457, 465, 468, 481, 495, 540, 555, 558, 572, 585, 594, 620, 660, 666, 682, 702, 715, 740, 780, 806, 810, 814, 837, 858, 891, 914, 930, 962, 990, 999, 1023, 1053, 1110, 1116, 1147, 1170, 1188, 1209, 1221, 1287, 1332, 1364, 1371, 1395, 1404, 1430, 1443, 1485, 1612, 1620, 1628, 1665, 1674, 1705, 1716, 1755, 1782, 1828, 1860, 1924, 1980, 1998, 2015, 2035, 2046, 2106, 2145, 2220, 2285, 2294, 2340, 2405, 2418, 2442, 2511, 2574, 2742, 2790, 2860, 2886, 2970, 2997, 3069, 3330, 3348, 3410, 3441, 3510, 3564, 3627, 3663, 3861, 3996, 4030, 4070, 4092, 4113, 4185, 4212, 4290, 4329, 4433, 4455, 4570, 4588, 4810, 4836, 4884, 4995, 5022, 5027, 5115, 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約数ペア:
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