2129702975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 2784196800

約数和(自身を除く): 654493825

約数列:

[1, 5, 25, 41, 53, 197, 199, 205, 265, 985, 995, 1025, 1325, 2173, 4925, 4975, 8077, 8159, 10441, 10547, 10865, 39203, 40385, 40795, 52205, 52735, 54325, 196015, 201925, 203975, 261025, 263675, 428081, 432427, 980075, 1607323, 2077759, 2140405, 2162135, 8036615, 10388795, 10702025, 10810675, 40183075, 51943975, 85188119, 425940595, 2129702975]

約数ペア:

[(1, 2129702975), (5, 425940595), (25, 85188119), (41, 51943975), (53, 40183075), (197, 10810675), (199, 10702025), (205, 10388795), (265, 8036615), (985, 2162135), (995, 2140405), (1025, 2077759), (1325, 1607323), (2173, 980075), (4925, 432427), (4975, 428081), (8077, 263675), (8159, 261025), (10441, 203975), (10547, 201925), (10865, 196015), (39203, 54325), (40385, 52735), (40795, 52205)]