308977295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 447897600

約数和(自身を除く): 138920305

約数列:

[1, 5, 11, 17, 47, 55, 79, 85, 89, 187, 235, 395, 445, 517, 799, 869, 935, 979, 1343, 1513, 2585, 3713, 3995, 4183, 4345, 4895, 6715, 7031, 7565, 8789, 14773, 16643, 18565, 20915, 35155, 40843, 43945, 46013, 63121, 71111, 73865, 77341, 83215, 119527, 204215, 230065, 315605, 330457, 355555, 386705, 597635, 694331, 782221, 1314797, 1652285, 3471655, 3635027, 3911105, 5617769, 6573985, 18175135, 28088845, 61795459, 308977295]

約数ペア:

[(1, 308977295), (5, 61795459), (11, 28088845), (17, 18175135), (47, 6573985), (55, 5617769), (79, 3911105), (85, 3635027), (89, 3471655), (187, 1652285), (235, 1314797), (395, 782221), (445, 694331), (517, 597635), (799, 386705), (869, 355555), (935, 330457), (979, 315605), (1343, 230065), (1513, 204215), (2585, 119527), (3713, 83215), (3995, 77341), (4183, 73865), (4345, 71111), (4895, 63121), (6715, 46013), (7031, 43945), (7565, 40843), (8789, 35155), (14773, 20915), (16643, 18565)]