316782928

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{661}}^1$

素因数の和:1076

約数の個数: 80

約数和(自身を含む): 768343680

約数和(自身を除く): 451560752

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 389, 616, 661, 778, 1232, 1322, 1556, 2644, 2723, 3112, 4279, 4627, 5288, 5446, 6224, 7271, 8558, 9254, 10576, 10892, 14542, 17116, 18508, 21784, 29084, 29953, 34232, 37016, 43568, 50897, 58168, 59906, 68464, 74032, 101794, 116336, 119812, 203588, 239624, 257129, 407176, 479248, 514258, 814352, 1028516, 1799903, 2057032, 2828419, 3599806, 4114064, 5656838, 7199612, 11313676, 14399224, 19798933, 22627352, 28798448, 39597866, 45254704, 79195732, 158391464, 316782928]

約数ペア:

[(1, 316782928), (2, 158391464), (4, 79195732), (7, 45254704), (8, 39597866), (11, 28798448), (14, 22627352), (16, 19798933), (22, 14399224), (28, 11313676), (44, 7199612), (56, 5656838), (77, 4114064), (88, 3599806), (112, 2828419), (154, 2057032), (176, 1799903), (308, 1028516), (389, 814352), (616, 514258), (661, 479248), (778, 407176), (1232, 257129), (1322, 239624), (1556, 203588), (2644, 119812), (2723, 116336), (3112, 101794), (4279, 74032), (4627, 68464), (5288, 59906), (5446, 58168), (6224, 50897), (7271, 43568), (8558, 37016), (9254, 34232), (10576, 29953), (10892, 29084), (14542, 21784), (17116, 18508)]