400277584

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 905084928

約数和(自身を除く): 504807344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 127, 214, 254, 263, 428, 508, 526, 749, 856, 889, 1016, 1052, 1498, 1712, 1778, 1841, 2032, 2104, 2996, 3556, 3682, 4208, 5992, 7112, 7364, 11984, 13589, 14224, 14728, 27178, 28141, 29456, 33401, 54356, 56282, 66802, 95123, 108712, 112564, 133604, 190246, 196987, 217424, 225128, 233807, 267208, 380492, 393974, 450256, 467614, 534416, 760984, 787948, 935228, 1521968, 1575896, 1870456, 3151792, 3573907, 3740912, 7147814, 14295628, 25017349, 28591256, 50034698, 57182512, 100069396, 200138792, 400277584]

約数ペア:

[(1, 400277584), (2, 200138792), (4, 100069396), (7, 57182512), (8, 50034698), (14, 28591256), (16, 25017349), (28, 14295628), (56, 7147814), (107, 3740912), (112, 3573907), (127, 3151792), (214, 1870456), (254, 1575896), (263, 1521968), (428, 935228), (508, 787948), (526, 760984), (749, 534416), (856, 467614), (889, 450256), (1016, 393974), (1052, 380492), (1498, 267208), (1712, 233807), (1778, 225128), (1841, 217424), (2032, 196987), (2104, 190246), (2996, 133604), (3556, 112564), (3682, 108712), (4208, 95123), (5992, 66802), (7112, 56282), (7364, 54356), (11984, 33401), (13589, 29456), (14224, 28141), (14728, 27178)]