400858864

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{281}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 913084416

約数和(自身を除く): 512225552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 271, 281, 329, 376, 542, 562, 658, 752, 1084, 1124, 1316, 1897, 1967, 2168, 2248, 2632, 3794, 3934, 4336, 4496, 5264, 7588, 7868, 12737, 13207, 15176, 15736, 25474, 26414, 30352, 31472, 50948, 52828, 76151, 89159, 92449, 101896, 105656, 152302, 178318, 184898, 203792, 211312, 304604, 356636, 369796, 533057, 609208, 713272, 739592, 1066114, 1218416, 1426544, 1479184, 2132228, 3579097, 4264456, 7158194, 8528912, 14316388, 25053679, 28632776, 50107358, 57265552, 100214716, 200429432, 400858864]

約数ペア:

[(1, 400858864), (2, 200429432), (4, 100214716), (7, 57265552), (8, 50107358), (14, 28632776), (16, 25053679), (28, 14316388), (47, 8528912), (56, 7158194), (94, 4264456), (112, 3579097), (188, 2132228), (271, 1479184), (281, 1426544), (329, 1218416), (376, 1066114), (542, 739592), (562, 713272), (658, 609208), (752, 533057), (1084, 369796), (1124, 356636), (1316, 304604), (1897, 211312), (1967, 203792), (2168, 184898), (2248, 178318), (2632, 152302), (3794, 105656), (3934, 101896), (4336, 92449), (4496, 89159), (5264, 76151), (7588, 52828), (7868, 50948), (12737, 31472), (13207, 30352), (15176, 26414), (15736, 25474)]