2889425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 4761600

約数和(自身を除く): 1872175

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 79, 95, 133, 175, 209, 275, 385, 395, 475, 553, 665, 869, 1045, 1463, 1501, 1925, 1975, 2765, 3325, 4345, 5225, 6083, 7315, 7505, 10507, 13825, 16511, 21725, 30415, 36575, 37525, 52535, 82555, 115577, 152075, 262675, 412775, 577885, 2889425]

約数ペア:

[(1, 2889425), (5, 577885), (7, 412775), (11, 262675), (19, 152075), (25, 115577), (35, 82555), (55, 52535), (77, 37525), (79, 36575), (95, 30415), (133, 21725), (175, 16511), (209, 13825), (275, 10507), (385, 7505), (395, 7315), (475, 6083), (553, 5225), (665, 4345), (869, 3325), (1045, 2765), (1463, 1975), (1501, 1925)]