240439976

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 580608000

約数和(自身を除く): 340168024

約数列:

[1, 2, 4, 7, 8, 14, 17, 23, 28, 34, 46, 56, 68, 79, 92, 119, 136, 139, 158, 161, 184, 238, 278, 316, 322, 391, 476, 553, 556, 632, 644, 782, 952, 973, 1106, 1112, 1288, 1343, 1564, 1817, 1946, 2212, 2363, 2686, 2737, 3128, 3197, 3634, 3892, 4424, 4726, 5372, 5474, 6394, 7268, 7784, 9401, 9452, 10744, 10948, 10981, 12719, 12788, 14536, 16541, 18802, 18904, 21896, 21962, 22379, 25438, 25576, 30889, 33082, 37604, 43924, 44758, 50876, 54349, 61778, 66164, 75208, 76867, 87848, 89516, 101752, 108698, 123556, 132328, 153734, 179032, 186677, 216223, 217396, 247112, 252563, 307468, 373354, 380443, 432446, 434792, 505126, 614936, 746708, 760886, 864892, 1010252, 1306739, 1493416, 1521772, 1729784, 1767941, 2020504, 2613478, 3043544, 3535882, 4293571, 5226956, 7071764, 8587142, 10453912, 14143528, 17174284, 30054997, 34348568, 60109994, 120219988, 240439976]

約数ペア:

[(1, 240439976), (2, 120219988), (4, 60109994), (7, 34348568), (8, 30054997), (14, 17174284), (17, 14143528), (23, 10453912), (28, 8587142), (34, 7071764), (46, 5226956), (56, 4293571), (68, 3535882), (79, 3043544), (92, 2613478), (119, 2020504), (136, 1767941), (139, 1729784), (158, 1521772), (161, 1493416), (184, 1306739), (238, 1010252), (278, 864892), (316, 760886), (322, 746708), (391, 614936), (476, 505126), (553, 434792), (556, 432446), (632, 380443), (644, 373354), (782, 307468), (952, 252563), (973, 247112), (1106, 217396), (1112, 216223), (1288, 186677), (1343, 179032), (1564, 153734), (1817, 132328), (1946, 123556), (2212, 108698), (2363, 101752), (2686, 89516), (2737, 87848), (3128, 76867), (3197, 75208), (3634, 66164), (3892, 61778), (4424, 54349), (4726, 50876), (5372, 44758), (5474, 43924), (6394, 37604), (7268, 33082), (7784, 30889), (9401, 25576), (9452, 25438), (10744, 22379), (10948, 21962), (10981, 21896), (12719, 18904), (12788, 18802), (14536, 16541)]