40899124

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2939}}^1$

素因数の和:3028

約数の個数: 36

約数和(自身を含む): 84460320

約数和(自身を除く): 43561196

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 142, 196, 284, 497, 994, 1988, 2939, 3479, 5878, 6958, 11756, 13916, 20573, 41146, 82292, 144011, 208669, 288022, 417338, 576044, 834676, 1460683, 2921366, 5842732, 10224781, 20449562, 40899124]

約数ペア:

[(1, 40899124), (2, 20449562), (4, 10224781), (7, 5842732), (14, 2921366), (28, 1460683), (49, 834676), (71, 576044), (98, 417338), (142, 288022), (196, 208669), (284, 144011), (497, 82292), (994, 41146), (1988, 20573), (2939, 13916), (3479, 11756), (5878, 6958)]