400287748

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{6883}}^1$

素因数の和:6992

約数の個数: 48

約数和(自身を含む): 838856704

約数和(自身を除く): 438568956

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 124, 134, 217, 268, 434, 469, 868, 938, 1876, 2077, 4154, 6883, 8308, 13766, 14539, 27532, 29078, 48181, 58156, 96362, 192724, 213373, 426746, 461161, 853492, 922322, 1493611, 1844644, 2987222, 3228127, 5974444, 6456254, 12912508, 14295991, 28591982, 57183964, 100071937, 200143874, 400287748]

約数ペア:

[(1, 400287748), (2, 200143874), (4, 100071937), (7, 57183964), (14, 28591982), (28, 14295991), (31, 12912508), (62, 6456254), (67, 5974444), (124, 3228127), (134, 2987222), (217, 1844644), (268, 1493611), (434, 922322), (469, 853492), (868, 461161), (938, 426746), (1876, 213373), (2077, 192724), (4154, 96362), (6883, 58156), (8308, 48181), (13766, 29078), (14539, 27532)]