42343840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 127207584

約数和(自身を除く): 84863744

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 491, 539, 560, 616, 770, 784, 880, 980, 982, 1078, 1120, 1232, 1540, 1568, 1760, 1960, 1964, 2156, 2455, 2464, 2695, 3080, 3437, 3920, 3928, 4312, 4910, 5390, 5401, 6160, 6874, 7840, 7856, 8624, 9820, 10780, 10802, 12320, 13748, 15712, 17185, 17248, 19640, 21560, 21604, 24059, 27005, 27496, 34370, 37807, 39280, 43120, 43208, 48118, 54010, 54992, 68740, 75614, 78560, 86240, 86416, 96236, 108020, 109984, 120295, 137480, 151228, 172832, 189035, 192472, 216040, 240590, 264649, 274960, 302456, 378070, 384944, 432080, 481180, 529298, 549920, 604912, 756140, 769888, 864160, 962360, 1058596, 1209824, 1323245, 1512280, 1924720, 2117192, 2646490, 3024560, 3849440, 4234384, 5292980, 6049120, 8468768, 10585960, 21171920, 42343840]

約数ペア:

[(1, 42343840), (2, 21171920), (4, 10585960), (5, 8468768), (7, 6049120), (8, 5292980), (10, 4234384), (11, 3849440), (14, 3024560), (16, 2646490), (20, 2117192), (22, 1924720), (28, 1512280), (32, 1323245), (35, 1209824), (40, 1058596), (44, 962360), (49, 864160), (55, 769888), (56, 756140), (70, 604912), (77, 549920), (80, 529298), (88, 481180), (98, 432080), (110, 384944), (112, 378070), (140, 302456), (154, 274960), (160, 264649), (176, 240590), (196, 216040), (220, 192472), (224, 189035), (245, 172832), (280, 151228), (308, 137480), (352, 120295), (385, 109984), (392, 108020), (440, 96236), (490, 86416), (491, 86240), (539, 78560), (560, 75614), (616, 68740), (770, 54992), (784, 54010), (880, 48118), (980, 43208), (982, 43120), (1078, 39280), (1120, 37807), (1232, 34370), (1540, 27496), (1568, 27005), (1760, 24059), (1960, 21604), (1964, 21560), (2156, 19640), (2455, 17248), (2464, 17185), (2695, 15712), (3080, 13748), (3437, 12320), (3920, 10802), (3928, 10780), (4312, 9820), (4910, 8624), (5390, 7856), (5401, 7840), (6160, 6874)]